Revert^2 "Move keymint to android.hardware.security."
1ffcdebadd7229af65c575dc1271084b17fe42d7
Bug: 175345910
Bug: 171429297
Exempt-From-Owner-Approval: re-landing topic with no changes in this CL.
Change-Id: I691cad252f188b54a8076589d9955774d74d4729
diff --git a/security/keymint/aidl/vts/functional/Android.bp b/security/keymint/aidl/vts/functional/Android.bp
new file mode 100644
index 0000000..ef7adb1
--- /dev/null
+++ b/security/keymint/aidl/vts/functional/Android.bp
@@ -0,0 +1,66 @@
+//
+// Copyright (C) 2020 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+cc_test {
+ name: "VtsAidlKeyMintTargetTest",
+ defaults: [
+ "VtsHalTargetTestDefaults",
+ "use_libaidlvintf_gtest_helper_static",
+ ],
+ srcs: [
+ "KeyMintTest.cpp",
+ "VerificationTokenTest.cpp",
+ ],
+ shared_libs: [
+ "libbinder",
+ "libcrypto",
+ "libkeymint",
+ "libkeymint_support",
+ ],
+ static_libs: [
+ "android.hardware.security.keymint-cpp",
+ "libcppbor_external",
+ "libkeymint_vts_test_utils",
+ ],
+ test_suites: [
+ "general-tests",
+ "vts",
+ ],
+}
+
+cc_test_library {
+ name: "libkeymint_vts_test_utils",
+ defaults: [
+ "VtsHalTargetTestDefaults",
+ "use_libaidlvintf_gtest_helper_static",
+ ],
+ srcs: [
+ "KeyMintAidlTestBase.cpp",
+ ],
+ export_include_dirs: [
+ ".",
+ ],
+ shared_libs: [
+ "libbinder",
+ "libcrypto",
+ "libkeymint",
+ "libkeymint_support",
+ ],
+ static_libs: [
+ "android.hardware.security.keymint-cpp",
+ "libcppbor",
+ ],
+}
diff --git a/security/keymint/aidl/vts/functional/AndroidTest.xml b/security/keymint/aidl/vts/functional/AndroidTest.xml
new file mode 100644
index 0000000..43e7a8a
--- /dev/null
+++ b/security/keymint/aidl/vts/functional/AndroidTest.xml
@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2020 The Android Open Source Project
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+-->
+<configuration description="Runs VtsAidlKeyMintV1_0TargetTest.">
+ <option name="test-suite-tag" value="apct" />
+ <option name="test-suite-tag" value="apct-native" />
+
+ <target_preparer class="com.android.tradefed.targetprep.RootTargetPreparer">
+ </target_preparer>
+
+ <target_preparer class="com.android.tradefed.targetprep.PushFilePreparer">
+ <option name="cleanup" value="true" />
+ <option name="push" value="VtsAidlKeyMintV1_0TargetTest->/data/local/tmp/VtsAidlKeyMintV1_0TargetTest" />
+ </target_preparer>
+
+ <test class="com.android.tradefed.testtype.GTest" >
+ <option name="native-test-device-path" value="/data/local/tmp" />
+ <option name="module-name" value="VtsAidlKeyMintV1_0TargetTest" />
+ <option name="native-test-timeout" value="900000"/>
+ </test>
+</configuration>
diff --git a/security/keymint/aidl/vts/functional/KeyMintAidlTestBase.cpp b/security/keymint/aidl/vts/functional/KeyMintAidlTestBase.cpp
new file mode 100644
index 0000000..ea3a329
--- /dev/null
+++ b/security/keymint/aidl/vts/functional/KeyMintAidlTestBase.cpp
@@ -0,0 +1,753 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "KeyMintAidlTestBase.h"
+
+#include <chrono>
+#include <vector>
+
+#include <android-base/logging.h>
+
+#include <keymint_support/key_param_output.h>
+#include <keymint_support/keymint_utils.h>
+
+namespace android::hardware::security::keymint {
+
+using namespace std::literals::chrono_literals;
+using std::endl;
+using std::optional;
+
+::std::ostream& operator<<(::std::ostream& os, const AuthorizationSet& set) {
+ if (set.size() == 0)
+ os << "(Empty)" << ::std::endl;
+ else {
+ os << "\n";
+ for (size_t i = 0; i < set.size(); ++i) os << set[i] << ::std::endl;
+ }
+ return os;
+}
+
+namespace test {
+
+ErrorCode KeyMintAidlTestBase::GetReturnErrorCode(Status result) {
+ if (result.isOk()) return ErrorCode::OK;
+
+ if (result.exceptionCode() == binder::Status::EX_SERVICE_SPECIFIC) {
+ return static_cast<ErrorCode>(result.serviceSpecificErrorCode());
+ }
+
+ return ErrorCode::UNKNOWN_ERROR;
+}
+
+void KeyMintAidlTestBase::InitializeKeyMint(sp<IKeyMintDevice> keyMint) {
+ ASSERT_NE(keyMint, nullptr);
+ keymint_ = keyMint;
+
+ KeyMintHardwareInfo info;
+ ASSERT_TRUE(keymint_->getHardwareInfo(&info).isOk());
+
+ securityLevel_ = info.securityLevel;
+ name_.assign(info.keyMintName.begin(), info.keyMintName.end());
+ author_.assign(info.keyMintAuthorName.begin(), info.keyMintAuthorName.end());
+
+ os_version_ = getOsVersion();
+ os_patch_level_ = getOsPatchlevel();
+}
+
+void KeyMintAidlTestBase::SetUp() {
+ InitializeKeyMint(
+ android::waitForDeclaredService<IKeyMintDevice>(String16(GetParam().c_str())));
+}
+
+ErrorCode KeyMintAidlTestBase::GenerateKey(const AuthorizationSet& key_desc,
+ vector<uint8_t>* keyBlob, KeyCharacteristics* keyChar) {
+ EXPECT_NE(keyBlob, nullptr) << "Key blob pointer must not be null. Test bug";
+ EXPECT_NE(keyChar, nullptr)
+ << "Previous characteristics not deleted before generating key. Test bug.";
+
+ // Aidl does not clear these output parameters if the function returns
+ // error. This is different from hal where output parameter is always
+ // cleared due to hal returning void. So now we need to do our own clearing
+ // of the output variables prior to calling keyMint aidl libraries.
+ keyBlob->clear();
+ keyChar->softwareEnforced.clear();
+ keyChar->hardwareEnforced.clear();
+ certChain_.clear();
+
+ Status result;
+ ByteArray blob;
+
+ result = keymint_->generateKey(key_desc.vector_data(), &blob, keyChar, &certChain_);
+
+ // On result, blob & characteristics should be empty.
+ if (result.isOk()) {
+ if (SecLevel() != SecurityLevel::SOFTWARE) {
+ EXPECT_GT(keyChar->hardwareEnforced.size(), 0);
+ }
+ EXPECT_GT(keyChar->softwareEnforced.size(), 0);
+ // TODO(seleneh) in a later version where we return @nullable
+ // single Certificate, check non-null single certificate is always
+ // non-empty.
+ *keyBlob = blob.data;
+ }
+
+ return GetReturnErrorCode(result);
+}
+
+ErrorCode KeyMintAidlTestBase::GenerateKey(const AuthorizationSet& key_desc) {
+ return GenerateKey(key_desc, &key_blob_, &key_characteristics_);
+}
+
+ErrorCode KeyMintAidlTestBase::ImportKey(const AuthorizationSet& key_desc, KeyFormat format,
+ const string& key_material, vector<uint8_t>* key_blob,
+ KeyCharacteristics* key_characteristics) {
+ Status result;
+
+ certChain_.clear();
+ key_characteristics->softwareEnforced.clear();
+ key_characteristics->hardwareEnforced.clear();
+ key_blob->clear();
+
+ ByteArray blob;
+ result = keymint_->importKey(key_desc.vector_data(), format,
+ vector<uint8_t>(key_material.begin(), key_material.end()), &blob,
+ key_characteristics, &certChain_);
+
+ if (result.isOk()) {
+ if (SecLevel() != SecurityLevel::SOFTWARE) {
+ EXPECT_GT(key_characteristics->hardwareEnforced.size(), 0);
+ }
+ EXPECT_GT(key_characteristics->softwareEnforced.size(), 0);
+ *key_blob = blob.data;
+ }
+
+ return GetReturnErrorCode(result);
+}
+
+ErrorCode KeyMintAidlTestBase::ImportKey(const AuthorizationSet& key_desc, KeyFormat format,
+ const string& key_material) {
+ return ImportKey(key_desc, format, key_material, &key_blob_, &key_characteristics_);
+}
+
+ErrorCode KeyMintAidlTestBase::ImportWrappedKey(string wrapped_key, string wrapping_key,
+ const AuthorizationSet& wrapping_key_desc,
+ string masking_key,
+ const AuthorizationSet& unwrapping_params) {
+ Status result;
+ EXPECT_EQ(ErrorCode::OK, ImportKey(wrapping_key_desc, KeyFormat::PKCS8, wrapping_key));
+
+ ByteArray outBlob;
+ key_characteristics_.softwareEnforced.clear();
+ key_characteristics_.hardwareEnforced.clear();
+
+ result = keymint_->importWrappedKey(vector<uint8_t>(wrapped_key.begin(), wrapped_key.end()),
+ key_blob_,
+ vector<uint8_t>(masking_key.begin(), masking_key.end()),
+ unwrapping_params.vector_data(), 0 /* passwordSid */,
+ 0 /* biometricSid */, &outBlob, &key_characteristics_);
+
+ if (result.isOk()) {
+ key_blob_ = outBlob.data;
+ if (SecLevel() != SecurityLevel::SOFTWARE) {
+ EXPECT_GT(key_characteristics_.hardwareEnforced.size(), 0);
+ }
+ EXPECT_GT(key_characteristics_.softwareEnforced.size(), 0);
+ }
+
+ return GetReturnErrorCode(result);
+}
+
+ErrorCode KeyMintAidlTestBase::DeleteKey(vector<uint8_t>* key_blob, bool keep_key_blob) {
+ Status result = keymint_->deleteKey(*key_blob);
+ if (!keep_key_blob) {
+ *key_blob = vector<uint8_t>();
+ }
+
+ EXPECT_TRUE(result.isOk()) << result.serviceSpecificErrorCode() << endl;
+ return GetReturnErrorCode(result);
+}
+
+ErrorCode KeyMintAidlTestBase::DeleteKey(bool keep_key_blob) {
+ return DeleteKey(&key_blob_, keep_key_blob);
+}
+
+ErrorCode KeyMintAidlTestBase::DeleteAllKeys() {
+ Status result = keymint_->deleteAllKeys();
+ EXPECT_TRUE(result.isOk()) << result.serviceSpecificErrorCode() << endl;
+ return GetReturnErrorCode(result);
+}
+
+void KeyMintAidlTestBase::CheckedDeleteKey(vector<uint8_t>* key_blob, bool keep_key_blob) {
+ ErrorCode result = DeleteKey(key_blob, keep_key_blob);
+ EXPECT_TRUE(result == ErrorCode::OK || result == ErrorCode::UNIMPLEMENTED) << result << endl;
+}
+
+void KeyMintAidlTestBase::CheckedDeleteKey() {
+ CheckedDeleteKey(&key_blob_);
+}
+
+ErrorCode KeyMintAidlTestBase::Begin(KeyPurpose purpose, const vector<uint8_t>& key_blob,
+ const AuthorizationSet& in_params,
+ AuthorizationSet* out_params, sp<IKeyMintOperation>& op) {
+ SCOPED_TRACE("Begin");
+ Status result;
+ BeginResult out;
+ result = keymint_->begin(purpose, key_blob, in_params.vector_data(), HardwareAuthToken(), &out);
+
+ if (result.isOk()) {
+ *out_params = out.params;
+ challenge_ = out.challenge;
+ op = out.operation;
+ }
+
+ return GetReturnErrorCode(result);
+}
+
+ErrorCode KeyMintAidlTestBase::Begin(KeyPurpose purpose, const vector<uint8_t>& key_blob,
+ const AuthorizationSet& in_params,
+ AuthorizationSet* out_params) {
+ SCOPED_TRACE("Begin");
+ Status result;
+ BeginResult out;
+
+ result = keymint_->begin(purpose, key_blob, in_params.vector_data(), HardwareAuthToken(), &out);
+
+ if (result.isOk()) {
+ *out_params = out.params;
+ challenge_ = out.challenge;
+ op_ = out.operation;
+ }
+
+ return GetReturnErrorCode(result);
+}
+
+ErrorCode KeyMintAidlTestBase::Begin(KeyPurpose purpose, const AuthorizationSet& in_params,
+ AuthorizationSet* out_params) {
+ SCOPED_TRACE("Begin");
+ EXPECT_EQ(nullptr, op_);
+ return Begin(purpose, key_blob_, in_params, out_params);
+}
+
+ErrorCode KeyMintAidlTestBase::Begin(KeyPurpose purpose, const AuthorizationSet& in_params) {
+ SCOPED_TRACE("Begin");
+ AuthorizationSet out_params;
+ ErrorCode result = Begin(purpose, in_params, &out_params);
+ EXPECT_TRUE(out_params.empty());
+ return result;
+}
+
+ErrorCode KeyMintAidlTestBase::Update(const AuthorizationSet& in_params, const string& input,
+ AuthorizationSet* out_params, string* output,
+ int32_t* input_consumed) {
+ SCOPED_TRACE("Update");
+
+ Status result;
+ EXPECT_NE(op_, nullptr);
+ if (!op_) {
+ return ErrorCode::UNEXPECTED_NULL_POINTER;
+ }
+
+ KeyParameterArray key_params;
+ key_params.params = in_params.vector_data();
+
+ KeyParameterArray in_keyParams;
+ in_keyParams.params = in_params.vector_data();
+
+ optional<KeyParameterArray> out_keyParams;
+ optional<ByteArray> o_put;
+ result = op_->update(in_keyParams, vector<uint8_t>(input.begin(), input.end()), {}, {},
+ &out_keyParams, &o_put, input_consumed);
+
+ if (result.isOk()) {
+ if (o_put) {
+ output->append(o_put->data.begin(), o_put->data.end());
+ }
+
+ if (out_keyParams) {
+ out_params->push_back(AuthorizationSet(out_keyParams->params));
+ }
+ }
+
+ return GetReturnErrorCode(result);
+}
+
+ErrorCode KeyMintAidlTestBase::Update(const string& input, string* out, int32_t* input_consumed) {
+ SCOPED_TRACE("Update");
+ AuthorizationSet out_params;
+ ErrorCode result =
+ Update(AuthorizationSet() /* in_params */, input, &out_params, out, input_consumed);
+ EXPECT_TRUE(out_params.empty());
+ return result;
+}
+
+ErrorCode KeyMintAidlTestBase::Finish(const AuthorizationSet& in_params, const string& input,
+ const string& signature, AuthorizationSet* out_params,
+ string* output) {
+ SCOPED_TRACE("Finish");
+ Status result;
+
+ EXPECT_NE(op_, nullptr);
+ if (!op_) {
+ return ErrorCode::UNEXPECTED_NULL_POINTER;
+ }
+
+ KeyParameterArray key_params;
+ key_params.params = in_params.vector_data();
+
+ KeyParameterArray in_keyParams;
+ in_keyParams.params = in_params.vector_data();
+
+ optional<KeyParameterArray> out_keyParams;
+ optional<vector<uint8_t>> o_put;
+
+ vector<uint8_t> oPut;
+ result = op_->finish(in_keyParams, vector<uint8_t>(input.begin(), input.end()),
+ vector<uint8_t>(signature.begin(), signature.end()), {}, {},
+ &out_keyParams, &oPut);
+
+ if (result.isOk()) {
+ if (out_keyParams) {
+ out_params->push_back(AuthorizationSet(out_keyParams->params));
+ }
+
+ output->append(oPut.begin(), oPut.end());
+ }
+
+ op_.clear(); // So dtor doesn't Abort().
+ return GetReturnErrorCode(result);
+}
+
+ErrorCode KeyMintAidlTestBase::Finish(const string& message, string* output) {
+ SCOPED_TRACE("Finish");
+ AuthorizationSet out_params;
+ string finish_output;
+ ErrorCode result = Finish(AuthorizationSet() /* in_params */, message, "" /* signature */,
+ &out_params, output);
+ if (result != ErrorCode::OK) {
+ return result;
+ }
+ EXPECT_EQ(0U, out_params.size());
+ return result;
+}
+
+ErrorCode KeyMintAidlTestBase::Finish(const string& message, const string& signature,
+ string* output) {
+ SCOPED_TRACE("Finish");
+ AuthorizationSet out_params;
+ ErrorCode result =
+ Finish(AuthorizationSet() /* in_params */, message, signature, &out_params, output);
+
+ if (result != ErrorCode::OK) {
+ return result;
+ }
+
+ EXPECT_EQ(0U, out_params.size());
+ return result;
+}
+
+ErrorCode KeyMintAidlTestBase::Abort(const sp<IKeyMintOperation>& op) {
+ SCOPED_TRACE("Abort");
+
+ EXPECT_NE(op, nullptr);
+ if (!op) {
+ return ErrorCode::UNEXPECTED_NULL_POINTER;
+ }
+
+ Status retval = op->abort();
+ EXPECT_TRUE(retval.isOk());
+ return static_cast<ErrorCode>(retval.serviceSpecificErrorCode());
+}
+
+ErrorCode KeyMintAidlTestBase::Abort() {
+ SCOPED_TRACE("Abort");
+
+ EXPECT_NE(op_, nullptr);
+ if (!op_) {
+ return ErrorCode::UNEXPECTED_NULL_POINTER;
+ }
+
+ Status retval = op_->abort();
+ return static_cast<ErrorCode>(retval.serviceSpecificErrorCode());
+}
+
+void KeyMintAidlTestBase::AbortIfNeeded() {
+ SCOPED_TRACE("AbortIfNeeded");
+ if (op_) {
+ EXPECT_EQ(ErrorCode::OK, Abort());
+ op_.clear();
+ }
+}
+
+string KeyMintAidlTestBase::ProcessMessage(const vector<uint8_t>& key_blob, KeyPurpose operation,
+ const string& message, const AuthorizationSet& in_params,
+ AuthorizationSet* out_params) {
+ SCOPED_TRACE("ProcessMessage");
+ AuthorizationSet begin_out_params;
+ ErrorCode result = Begin(operation, key_blob, in_params, &begin_out_params);
+ EXPECT_EQ(ErrorCode::OK, result);
+ if (result != ErrorCode::OK) {
+ return "";
+ }
+
+ string output;
+ int32_t consumed = 0;
+ AuthorizationSet update_params;
+ AuthorizationSet update_out_params;
+ result = Update(update_params, message, &update_out_params, &output, &consumed);
+ EXPECT_EQ(ErrorCode::OK, result);
+ if (result != ErrorCode::OK) {
+ return "";
+ }
+
+ string unused;
+ AuthorizationSet finish_params;
+ AuthorizationSet finish_out_params;
+ EXPECT_EQ(ErrorCode::OK,
+ Finish(finish_params, message.substr(consumed), unused, &finish_out_params, &output));
+
+ out_params->push_back(begin_out_params);
+ out_params->push_back(finish_out_params);
+ return output;
+}
+
+string KeyMintAidlTestBase::SignMessage(const vector<uint8_t>& key_blob, const string& message,
+ const AuthorizationSet& params) {
+ SCOPED_TRACE("SignMessage");
+ AuthorizationSet out_params;
+ string signature = ProcessMessage(key_blob, KeyPurpose::SIGN, message, params, &out_params);
+ EXPECT_TRUE(out_params.empty());
+ return signature;
+}
+
+string KeyMintAidlTestBase::SignMessage(const string& message, const AuthorizationSet& params) {
+ SCOPED_TRACE("SignMessage");
+ return SignMessage(key_blob_, message, params);
+}
+
+string KeyMintAidlTestBase::MacMessage(const string& message, Digest digest, size_t mac_length) {
+ SCOPED_TRACE("MacMessage");
+ return SignMessage(
+ key_blob_, message,
+ AuthorizationSetBuilder().Digest(digest).Authorization(TAG_MAC_LENGTH, mac_length));
+}
+
+void KeyMintAidlTestBase::CheckHmacTestVector(const string& key, const string& message,
+ Digest digest, const string& expected_mac) {
+ SCOPED_TRACE("CheckHmacTestVector");
+ ASSERT_EQ(ErrorCode::OK,
+ ImportKey(AuthorizationSetBuilder()
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .HmacKey(key.size() * 8)
+ .Authorization(TAG_MIN_MAC_LENGTH, expected_mac.size() * 8)
+ .Digest(digest),
+ KeyFormat::RAW, key));
+ string signature = MacMessage(message, digest, expected_mac.size() * 8);
+ EXPECT_EQ(expected_mac, signature)
+ << "Test vector didn't match for key of size " << key.size() << " message of size "
+ << message.size() << " and digest " << digest;
+ CheckedDeleteKey();
+}
+
+void KeyMintAidlTestBase::CheckAesCtrTestVector(const string& key, const string& nonce,
+ const string& message,
+ const string& expected_ciphertext) {
+ SCOPED_TRACE("CheckAesCtrTestVector");
+ ASSERT_EQ(ErrorCode::OK, ImportKey(AuthorizationSetBuilder()
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .AesEncryptionKey(key.size() * 8)
+ .BlockMode(BlockMode::CTR)
+ .Authorization(TAG_CALLER_NONCE)
+ .Padding(PaddingMode::NONE),
+ KeyFormat::RAW, key));
+
+ auto params = AuthorizationSetBuilder()
+ .Authorization(TAG_NONCE, nonce.data(), nonce.size())
+ .BlockMode(BlockMode::CTR)
+ .Padding(PaddingMode::NONE);
+ AuthorizationSet out_params;
+ string ciphertext = EncryptMessage(key_blob_, message, params, &out_params);
+ EXPECT_EQ(expected_ciphertext, ciphertext);
+}
+
+void KeyMintAidlTestBase::CheckTripleDesTestVector(KeyPurpose purpose, BlockMode block_mode,
+ PaddingMode padding_mode, const string& key,
+ const string& iv, const string& input,
+ const string& expected_output) {
+ auto authset = AuthorizationSetBuilder()
+ .TripleDesEncryptionKey(key.size() * 7)
+ .BlockMode(block_mode)
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .Padding(padding_mode);
+ if (iv.size()) authset.Authorization(TAG_CALLER_NONCE);
+ ASSERT_EQ(ErrorCode::OK, ImportKey(authset, KeyFormat::RAW, key));
+ ASSERT_GT(key_blob_.size(), 0U);
+
+ auto begin_params = AuthorizationSetBuilder().BlockMode(block_mode).Padding(padding_mode);
+ if (iv.size()) begin_params.Authorization(TAG_NONCE, iv.data(), iv.size());
+ AuthorizationSet output_params;
+ string output = ProcessMessage(key_blob_, purpose, input, begin_params, &output_params);
+ EXPECT_EQ(expected_output, output);
+}
+
+void KeyMintAidlTestBase::VerifyMessage(const vector<uint8_t>& key_blob, const string& message,
+ const string& signature, const AuthorizationSet& params) {
+ SCOPED_TRACE("VerifyMessage");
+ AuthorizationSet begin_out_params;
+ ASSERT_EQ(ErrorCode::OK, Begin(KeyPurpose::VERIFY, key_blob, params, &begin_out_params));
+
+ string output;
+ AuthorizationSet update_params;
+ AuthorizationSet update_out_params;
+ int32_t consumed;
+ ASSERT_EQ(ErrorCode::OK,
+ Update(update_params, message, &update_out_params, &output, &consumed));
+ EXPECT_TRUE(output.empty());
+ EXPECT_GT(consumed, 0U);
+
+ string unused;
+ AuthorizationSet finish_params;
+ AuthorizationSet finish_out_params;
+ EXPECT_EQ(ErrorCode::OK, Finish(finish_params, message.substr(consumed), signature,
+ &finish_out_params, &output));
+ op_.clear();
+ EXPECT_TRUE(output.empty());
+}
+
+void KeyMintAidlTestBase::VerifyMessage(const string& message, const string& signature,
+ const AuthorizationSet& params) {
+ SCOPED_TRACE("VerifyMessage");
+ VerifyMessage(key_blob_, message, signature, params);
+}
+
+string KeyMintAidlTestBase::EncryptMessage(const vector<uint8_t>& key_blob, const string& message,
+ const AuthorizationSet& in_params,
+ AuthorizationSet* out_params) {
+ SCOPED_TRACE("EncryptMessage");
+ return ProcessMessage(key_blob, KeyPurpose::ENCRYPT, message, in_params, out_params);
+}
+
+string KeyMintAidlTestBase::EncryptMessage(const string& message, const AuthorizationSet& params,
+ AuthorizationSet* out_params) {
+ SCOPED_TRACE("EncryptMessage");
+ return EncryptMessage(key_blob_, message, params, out_params);
+}
+
+string KeyMintAidlTestBase::EncryptMessage(const string& message, const AuthorizationSet& params) {
+ SCOPED_TRACE("EncryptMessage");
+ AuthorizationSet out_params;
+ string ciphertext = EncryptMessage(message, params, &out_params);
+ EXPECT_TRUE(out_params.empty()) << "Output params should be empty. Contained: " << out_params;
+ return ciphertext;
+}
+
+string KeyMintAidlTestBase::EncryptMessage(const string& message, BlockMode block_mode,
+ PaddingMode padding) {
+ SCOPED_TRACE("EncryptMessage");
+ auto params = AuthorizationSetBuilder().BlockMode(block_mode).Padding(padding);
+ AuthorizationSet out_params;
+ string ciphertext = EncryptMessage(message, params, &out_params);
+ EXPECT_TRUE(out_params.empty()) << "Output params should be empty. Contained: " << out_params;
+ return ciphertext;
+}
+
+string KeyMintAidlTestBase::EncryptMessage(const string& message, BlockMode block_mode,
+ PaddingMode padding, vector<uint8_t>* iv_out) {
+ SCOPED_TRACE("EncryptMessage");
+ auto params = AuthorizationSetBuilder().BlockMode(block_mode).Padding(padding);
+ AuthorizationSet out_params;
+ string ciphertext = EncryptMessage(message, params, &out_params);
+ EXPECT_EQ(1U, out_params.size());
+ auto ivVal = out_params.GetTagValue(TAG_NONCE);
+ EXPECT_TRUE(ivVal.isOk());
+ if (ivVal.isOk()) *iv_out = ivVal.value();
+ return ciphertext;
+}
+
+string KeyMintAidlTestBase::EncryptMessage(const string& message, BlockMode block_mode,
+ PaddingMode padding, const vector<uint8_t>& iv_in) {
+ SCOPED_TRACE("EncryptMessage");
+ auto params = AuthorizationSetBuilder()
+ .BlockMode(block_mode)
+ .Padding(padding)
+ .Authorization(TAG_NONCE, iv_in);
+ AuthorizationSet out_params;
+ string ciphertext = EncryptMessage(message, params, &out_params);
+ return ciphertext;
+}
+
+string KeyMintAidlTestBase::EncryptMessage(const string& message, BlockMode block_mode,
+ PaddingMode padding, uint8_t mac_length_bits,
+ const vector<uint8_t>& iv_in) {
+ SCOPED_TRACE("EncryptMessage");
+ auto params = AuthorizationSetBuilder()
+ .BlockMode(block_mode)
+ .Padding(padding)
+ .Authorization(TAG_MAC_LENGTH, mac_length_bits)
+ .Authorization(TAG_NONCE, iv_in);
+ AuthorizationSet out_params;
+ string ciphertext = EncryptMessage(message, params, &out_params);
+ return ciphertext;
+}
+
+string KeyMintAidlTestBase::DecryptMessage(const vector<uint8_t>& key_blob,
+ const string& ciphertext,
+ const AuthorizationSet& params) {
+ SCOPED_TRACE("DecryptMessage");
+ AuthorizationSet out_params;
+ string plaintext =
+ ProcessMessage(key_blob, KeyPurpose::DECRYPT, ciphertext, params, &out_params);
+ EXPECT_TRUE(out_params.empty());
+ return plaintext;
+}
+
+string KeyMintAidlTestBase::DecryptMessage(const string& ciphertext,
+ const AuthorizationSet& params) {
+ SCOPED_TRACE("DecryptMessage");
+ return DecryptMessage(key_blob_, ciphertext, params);
+}
+
+string KeyMintAidlTestBase::DecryptMessage(const string& ciphertext, BlockMode block_mode,
+ PaddingMode padding_mode, const vector<uint8_t>& iv) {
+ SCOPED_TRACE("DecryptMessage");
+ auto params = AuthorizationSetBuilder()
+ .BlockMode(block_mode)
+ .Padding(padding_mode)
+ .Authorization(TAG_NONCE, iv);
+ return DecryptMessage(key_blob_, ciphertext, params);
+}
+
+std::pair<ErrorCode, vector<uint8_t>> KeyMintAidlTestBase::UpgradeKey(
+ const vector<uint8_t>& key_blob) {
+ std::pair<ErrorCode, vector<uint8_t>> retval;
+ vector<uint8_t> outKeyBlob;
+ Status result = keymint_->upgradeKey(key_blob, vector<KeyParameter>(), &outKeyBlob);
+ ErrorCode errorcode = GetReturnErrorCode(result);
+ retval = std::tie(errorcode, outKeyBlob);
+
+ return retval;
+}
+vector<uint32_t> KeyMintAidlTestBase::ValidKeySizes(Algorithm algorithm) {
+ switch (algorithm) {
+ case Algorithm::RSA:
+ switch (SecLevel()) {
+ case SecurityLevel::SOFTWARE:
+ case SecurityLevel::TRUSTED_ENVIRONMENT:
+ return {2048, 3072, 4096};
+ case SecurityLevel::STRONGBOX:
+ return {2048};
+ default:
+ ADD_FAILURE() << "Invalid security level " << uint32_t(SecLevel());
+ break;
+ }
+ break;
+ case Algorithm::EC:
+ switch (SecLevel()) {
+ case SecurityLevel::SOFTWARE:
+ case SecurityLevel::TRUSTED_ENVIRONMENT:
+ return {224, 256, 384, 521};
+ case SecurityLevel::STRONGBOX:
+ return {256};
+ default:
+ ADD_FAILURE() << "Invalid security level " << uint32_t(SecLevel());
+ break;
+ }
+ break;
+ case Algorithm::AES:
+ return {128, 256};
+ case Algorithm::TRIPLE_DES:
+ return {168};
+ case Algorithm::HMAC: {
+ vector<uint32_t> retval((512 - 64) / 8 + 1);
+ uint32_t size = 64 - 8;
+ std::generate(retval.begin(), retval.end(), [&]() { return (size += 8); });
+ return retval;
+ }
+ default:
+ ADD_FAILURE() << "Invalid Algorithm: " << algorithm;
+ return {};
+ }
+ ADD_FAILURE() << "Should be impossible to get here";
+ return {};
+}
+
+vector<uint32_t> KeyMintAidlTestBase::InvalidKeySizes(Algorithm algorithm) {
+ if (SecLevel() == SecurityLevel::STRONGBOX) {
+ switch (algorithm) {
+ case Algorithm::RSA:
+ return {3072, 4096};
+ case Algorithm::EC:
+ return {224, 384, 521};
+ case Algorithm::AES:
+ return {192};
+ default:
+ return {};
+ }
+ }
+ return {};
+}
+
+vector<EcCurve> KeyMintAidlTestBase::ValidCurves() {
+ if (securityLevel_ == SecurityLevel::STRONGBOX) {
+ return {EcCurve::P_256};
+ } else {
+ return {EcCurve::P_224, EcCurve::P_256, EcCurve::P_384, EcCurve::P_521};
+ }
+}
+
+vector<EcCurve> KeyMintAidlTestBase::InvalidCurves() {
+ if (SecLevel() == SecurityLevel::TRUSTED_ENVIRONMENT) return {};
+ CHECK(SecLevel() == SecurityLevel::STRONGBOX);
+ return {EcCurve::P_224, EcCurve::P_384, EcCurve::P_521};
+}
+
+vector<Digest> KeyMintAidlTestBase::ValidDigests(bool withNone, bool withMD5) {
+ switch (SecLevel()) {
+ case SecurityLevel::SOFTWARE:
+ case SecurityLevel::TRUSTED_ENVIRONMENT:
+ if (withNone) {
+ if (withMD5)
+ return {Digest::NONE, Digest::MD5, Digest::SHA1,
+ Digest::SHA_2_224, Digest::SHA_2_256, Digest::SHA_2_384,
+ Digest::SHA_2_512};
+ else
+ return {Digest::NONE, Digest::SHA1, Digest::SHA_2_224,
+ Digest::SHA_2_256, Digest::SHA_2_384, Digest::SHA_2_512};
+ } else {
+ if (withMD5)
+ return {Digest::MD5, Digest::SHA1, Digest::SHA_2_224,
+ Digest::SHA_2_256, Digest::SHA_2_384, Digest::SHA_2_512};
+ else
+ return {Digest::SHA1, Digest::SHA_2_224, Digest::SHA_2_256, Digest::SHA_2_384,
+ Digest::SHA_2_512};
+ }
+ break;
+ case SecurityLevel::STRONGBOX:
+ if (withNone)
+ return {Digest::NONE, Digest::SHA_2_256};
+ else
+ return {Digest::SHA_2_256};
+ break;
+ default:
+ ADD_FAILURE() << "Invalid security level " << uint32_t(SecLevel());
+ break;
+ }
+ ADD_FAILURE() << "Should be impossible to get here";
+ return {};
+}
+
+} // namespace test
+
+} // namespace android::hardware::security::keymint
diff --git a/security/keymint/aidl/vts/functional/KeyMintAidlTestBase.h b/security/keymint/aidl/vts/functional/KeyMintAidlTestBase.h
new file mode 100644
index 0000000..76effcf
--- /dev/null
+++ b/security/keymint/aidl/vts/functional/KeyMintAidlTestBase.h
@@ -0,0 +1,191 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef VTS_KEYMINT_AIDL_TEST_UTILS_H
+#define VTS_KEYMINT_AIDL_TEST_UTILS_H
+
+#pragma once
+
+#include <aidl/Gtest.h>
+#include <aidl/Vintf.h>
+#include <android/hardware/security/keymint/ErrorCode.h>
+#include <android/hardware/security/keymint/IKeyMintDevice.h>
+#include <binder/IServiceManager.h>
+#include <binder/ProcessState.h>
+#include <gtest/gtest.h>
+
+#include <keymint_support/authorization_set.h>
+
+namespace android::hardware::security::keymint::test {
+
+using ::android::sp;
+using binder::Status;
+using ::std::shared_ptr;
+using ::std::string;
+using ::std::vector;
+
+constexpr uint64_t kOpHandleSentinel = 0xFFFFFFFFFFFFFFFF;
+
+::std::ostream& operator<<(::std::ostream& os, const AuthorizationSet& set);
+
+class KeyMintAidlTestBase : public ::testing::TestWithParam<string> {
+ public:
+ void SetUp() override;
+ void TearDown() override {
+ if (key_blob_.size()) {
+ CheckedDeleteKey();
+ }
+ AbortIfNeeded();
+ }
+
+ void InitializeKeyMint(sp<IKeyMintDevice> keyMint);
+ IKeyMintDevice& keyMint() { return *keymint_; }
+ uint32_t os_version() { return os_version_; }
+ uint32_t os_patch_level() { return os_patch_level_; }
+
+ ErrorCode GetReturnErrorCode(Status result);
+ ErrorCode GenerateKey(const AuthorizationSet& key_desc, vector<uint8_t>* key_blob,
+ KeyCharacteristics* key_characteristics);
+
+ ErrorCode GenerateKey(const AuthorizationSet& key_desc);
+
+ ErrorCode ImportKey(const AuthorizationSet& key_desc, KeyFormat format,
+ const string& key_material, vector<uint8_t>* key_blob,
+ KeyCharacteristics* key_characteristics);
+ ErrorCode ImportKey(const AuthorizationSet& key_desc, KeyFormat format,
+ const string& key_material);
+
+ ErrorCode ImportWrappedKey(string wrapped_key, string wrapping_key,
+ const AuthorizationSet& wrapping_key_desc, string masking_key,
+ const AuthorizationSet& unwrapping_params);
+
+ ErrorCode DeleteKey(vector<uint8_t>* key_blob, bool keep_key_blob = false);
+ ErrorCode DeleteKey(bool keep_key_blob = false);
+
+ ErrorCode DeleteAllKeys();
+
+ void CheckedDeleteKey(vector<uint8_t>* key_blob, bool keep_key_blob = false);
+ void CheckedDeleteKey();
+
+ ErrorCode Begin(KeyPurpose purpose, const vector<uint8_t>& key_blob,
+ const AuthorizationSet& in_params, AuthorizationSet* out_params,
+ sp<IKeyMintOperation>& op);
+ ErrorCode Begin(KeyPurpose purpose, const vector<uint8_t>& key_blob,
+ const AuthorizationSet& in_params, AuthorizationSet* out_params);
+ ErrorCode Begin(KeyPurpose purpose, const AuthorizationSet& in_params,
+ AuthorizationSet* out_params);
+ ErrorCode Begin(KeyPurpose purpose, const AuthorizationSet& in_params);
+
+ ErrorCode Update(const AuthorizationSet& in_params, const string& input,
+ AuthorizationSet* out_params, string* output, int32_t* input_consumed);
+ ErrorCode Update(const string& input, string* out, int32_t* input_consumed);
+
+ ErrorCode Finish(const AuthorizationSet& in_params, const string& input,
+ const string& signature, AuthorizationSet* out_params, string* output);
+ ErrorCode Finish(const string& message, string* output);
+ ErrorCode Finish(const string& message, const string& signature, string* output);
+ ErrorCode Finish(string* output) { return Finish(string(), output); }
+
+ ErrorCode Abort();
+ ErrorCode Abort(const sp<IKeyMintOperation>& op);
+ void AbortIfNeeded();
+
+ string ProcessMessage(const vector<uint8_t>& key_blob, KeyPurpose operation,
+ const string& message, const AuthorizationSet& in_params,
+ AuthorizationSet* out_params);
+
+ string SignMessage(const vector<uint8_t>& key_blob, const string& message,
+ const AuthorizationSet& params);
+ string SignMessage(const string& message, const AuthorizationSet& params);
+
+ string MacMessage(const string& message, Digest digest, size_t mac_length);
+
+ void CheckHmacTestVector(const string& key, const string& message, Digest digest,
+ const string& expected_mac);
+
+ void CheckAesCtrTestVector(const string& key, const string& nonce, const string& message,
+ const string& expected_ciphertext);
+
+ void CheckTripleDesTestVector(KeyPurpose purpose, BlockMode block_mode,
+ PaddingMode padding_mode, const string& key, const string& iv,
+ const string& input, const string& expected_output);
+
+ void VerifyMessage(const vector<uint8_t>& key_blob, const string& message,
+ const string& signature, const AuthorizationSet& params);
+ void VerifyMessage(const string& message, const string& signature,
+ const AuthorizationSet& params);
+
+ string EncryptMessage(const vector<uint8_t>& key_blob, const string& message,
+ const AuthorizationSet& in_params, AuthorizationSet* out_params);
+ string EncryptMessage(const string& message, const AuthorizationSet& params,
+ AuthorizationSet* out_params);
+ string EncryptMessage(const string& message, const AuthorizationSet& params);
+ string EncryptMessage(const string& message, BlockMode block_mode, PaddingMode padding);
+ string EncryptMessage(const string& message, BlockMode block_mode, PaddingMode padding,
+ vector<uint8_t>* iv_out);
+ string EncryptMessage(const string& message, BlockMode block_mode, PaddingMode padding,
+ const vector<uint8_t>& iv_in);
+ string EncryptMessage(const string& message, BlockMode block_mode, PaddingMode padding,
+ uint8_t mac_length_bits, const vector<uint8_t>& iv_in);
+
+ string DecryptMessage(const vector<uint8_t>& key_blob, const string& ciphertext,
+ const AuthorizationSet& params);
+ string DecryptMessage(const string& ciphertext, const AuthorizationSet& params);
+ string DecryptMessage(const string& ciphertext, BlockMode block_mode, PaddingMode padding_mode,
+ const vector<uint8_t>& iv);
+
+ std::pair<ErrorCode, vector<uint8_t>> UpgradeKey(const vector<uint8_t>& key_blob);
+
+ bool IsSecure() { return securityLevel_ != SecurityLevel::SOFTWARE; }
+ SecurityLevel SecLevel() { return securityLevel_; }
+
+ vector<uint32_t> ValidKeySizes(Algorithm algorithm);
+ vector<uint32_t> InvalidKeySizes(Algorithm algorithm);
+
+ vector<EcCurve> ValidCurves();
+ vector<EcCurve> InvalidCurves();
+
+ vector<Digest> ValidDigests(bool withNone, bool withMD5);
+
+ static vector<string> build_params() {
+ auto params = android::getAidlHalInstanceNames(IKeyMintDevice::descriptor);
+ return params;
+ }
+
+ sp<IKeyMintOperation> op_;
+ vector<Certificate> certChain_;
+ vector<uint8_t> key_blob_;
+ KeyCharacteristics key_characteristics_;
+
+ private:
+ sp<IKeyMintDevice> keymint_;
+ uint32_t os_version_;
+ uint32_t os_patch_level_;
+
+ SecurityLevel securityLevel_;
+ string name_;
+ string author_;
+ long challenge_;
+};
+
+#define INSTANTIATE_KEYMINT_AIDL_TEST(name) \
+ INSTANTIATE_TEST_SUITE_P(PerInstance, name, \
+ testing::ValuesIn(KeyMintAidlTestBase::build_params()), \
+ android::PrintInstanceNameToString)
+
+} // namespace android::hardware::security::keymint::test
+
+#endif // VTS_KEYMINT_AIDL_TEST_UTILS_H
diff --git a/security/keymint/aidl/vts/functional/KeyMintTest.cpp b/security/keymint/aidl/vts/functional/KeyMintTest.cpp
new file mode 100644
index 0000000..f9423a2
--- /dev/null
+++ b/security/keymint/aidl/vts/functional/KeyMintTest.cpp
@@ -0,0 +1,4058 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "keymint_5_test"
+#include <cutils/log.h>
+
+#include <signal.h>
+#include <iostream>
+
+#include <openssl/evp.h>
+#include <openssl/mem.h>
+#include <openssl/x509.h>
+
+#include <cutils/properties.h>
+
+#include <android/hardware/security/keymint/KeyFormat.h>
+
+#include <keymint_support/attestation_record.h>
+#include <keymint_support/key_param_output.h>
+#include <keymint_support/openssl_utils.h>
+
+#include "KeyMintAidlTestBase.h"
+
+static bool arm_deleteAllKeys = false;
+static bool dump_Attestations = false;
+
+using android::hardware::security::keymint::AuthorizationSet;
+using android::hardware::security::keymint::KeyCharacteristics;
+using android::hardware::security::keymint::KeyFormat;
+
+namespace android::hardware::security::keymint {
+
+bool operator==(const keymint::AuthorizationSet& a, const keymint::AuthorizationSet& b) {
+ return a.size() == b.size() && std::equal(a.begin(), a.end(), b.begin());
+}
+
+} // namespace android::hardware::security::keymint
+
+namespace std {
+
+using namespace android::hardware::security::keymint;
+
+template <>
+struct std::equal_to<KeyCharacteristics> {
+ bool operator()(const KeyCharacteristics& a, const KeyCharacteristics& b) const {
+ // This isn't very efficient. Oh, well.
+ AuthorizationSet a_sw(a.softwareEnforced);
+ AuthorizationSet b_sw(b.softwareEnforced);
+ AuthorizationSet a_tee(b.hardwareEnforced);
+ AuthorizationSet b_tee(b.hardwareEnforced);
+
+ a_sw.Sort();
+ b_sw.Sort();
+ a_tee.Sort();
+ b_tee.Sort();
+
+ return ((a_sw == b_sw) && (a_tee == b_tee));
+ }
+};
+
+} // namespace std
+
+namespace android::hardware::security::keymint::test {
+
+namespace {
+
+template <TagType tag_type, Tag tag, typename ValueT>
+bool contains(vector<KeyParameter>& set, TypedTag<tag_type, tag> ttag, ValueT expected_value) {
+ auto it = std::find_if(set.begin(), set.end(), [&](const KeyParameter& param) {
+ return param.tag == tag && accessTagValue(ttag, param) == expected_value;
+ });
+ return (it != set.end());
+}
+
+template <TagType tag_type, Tag tag>
+bool contains(vector<KeyParameter>& set, TypedTag<tag_type, tag>) {
+ auto it = std::find_if(set.begin(), set.end(),
+ [&](const KeyParameter& param) { return param.tag == tag; });
+ return (it != set.end());
+}
+
+constexpr char hex_value[256] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, //
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, //
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, //
+ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 0, 0, 0, 0, 0, // '0'..'9'
+ 0, 10, 11, 12, 13, 14, 15, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 'A'..'F'
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, //
+ 0, 10, 11, 12, 13, 14, 15, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 'a'..'f'
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, //
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, //
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, //
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, //
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, //
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, //
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, //
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, //
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
+
+string hex2str(string a) {
+ string b;
+ size_t num = a.size() / 2;
+ b.resize(num);
+ for (size_t i = 0; i < num; i++) {
+ b[i] = (hex_value[a[i * 2] & 0xFF] << 4) + (hex_value[a[i * 2 + 1] & 0xFF]);
+ }
+ return b;
+}
+
+string rsa_key =
+ hex2str("30820275020100300d06092a864886f70d01010105000482025f3082025b"
+ "02010002818100c6095409047d8634812d5a218176e45c41d60a75b13901"
+ "f234226cffe776521c5a77b9e389417b71c0b6a44d13afe4e4a2805d46c9"
+ "da2935adb1ff0c1f24ea06e62b20d776430a4d435157233c6f916783c30e"
+ "310fcbd89b85c2d56771169785ac12bca244abda72bfb19fc44d27c81e1d"
+ "92de284f4061edfd99280745ea6d2502030100010281801be0f04d9cae37"
+ "18691f035338308e91564b55899ffb5084d2460e6630257e05b3ceab0297"
+ "2dfabcd6ce5f6ee2589eb67911ed0fac16e43a444b8c861e544a05933657"
+ "72f8baf6b22fc9e3c5f1024b063ac080a7b2234cf8aee8f6c47bbf4fd3ac"
+ "e7240290bef16c0b3f7f3cdd64ce3ab5912cf6e32f39ab188358afcccd80"
+ "81024100e4b49ef50f765d3b24dde01aceaaf130f2c76670a91a61ae08af"
+ "497b4a82be6dee8fcdd5e3f7ba1cfb1f0c926b88f88c92bfab137fba2285"
+ "227b83c342ff7c55024100ddabb5839c4c7f6bf3d4183231f005b31aa58a"
+ "ffdda5c79e4cce217f6bc930dbe563d480706c24e9ebfcab28a6cdefd324"
+ "b77e1bf7251b709092c24ff501fd91024023d4340eda3445d8cd26c14411"
+ "da6fdca63c1ccd4b80a98ad52b78cc8ad8beb2842c1d280405bc2f6c1bea"
+ "214a1d742ab996b35b63a82a5e470fa88dbf823cdd02401b7b57449ad30d"
+ "1518249a5f56bb98294d4b6ac12ffc86940497a5a5837a6cf946262b4945"
+ "26d328c11e1126380fde04c24f916dec250892db09a6d77cdba351024077"
+ "62cd8f4d050da56bd591adb515d24d7ccd32cca0d05f866d583514bd7324"
+ "d5f33645e8ed8b4a1cb3cc4a1d67987399f2a09f5b3fb68c88d5e5d90ac3"
+ "3492d6");
+
+string ec_256_key =
+ hex2str("308187020100301306072a8648ce3d020106082a8648ce3d030107046d30"
+ "6b0201010420737c2ecd7b8d1940bf2930aa9b4ed3ff941eed09366bc032"
+ "99986481f3a4d859a14403420004bf85d7720d07c25461683bc648b4778a"
+ "9a14dd8a024e3bdd8c7ddd9ab2b528bbc7aa1b51f14ebbbb0bd0ce21bcc4"
+ "1c6eb00083cf3376d11fd44949e0b2183bfe");
+
+string ec_521_key =
+ hex2str("3081EE020100301006072A8648CE3D020106052B810400230481D63081D3"
+ "02010104420011458C586DB5DAA92AFAB03F4FE46AA9D9C3CE9A9B7A006A"
+ "8384BEC4C78E8E9D18D7D08B5BCFA0E53C75B064AD51C449BAE0258D54B9"
+ "4B1E885DED08ED4FB25CE9A1818903818600040149EC11C6DF0FA122C6A9"
+ "AFD9754A4FA9513A627CA329E349535A5629875A8ADFBE27DCB932C05198"
+ "6377108D054C28C6F39B6F2C9AF81802F9F326B842FF2E5F3C00AB7635CF"
+ "B36157FC0882D574A10D839C1A0C049DC5E0D775E2EE50671A208431BB45"
+ "E78E70BEFE930DB34818EE4D5C26259F5C6B8E28A652950F9F88D7B4B2C9"
+ "D9");
+
+string ec_256_key_rfc5915 =
+ hex2str("308193020100301306072a8648ce3d020106082a8648ce3d030107047930"
+ "770201010420782370a8c8ce5537baadd04dcff079c8158cfa9c67b818b3"
+ "8e8d21c9fa750c1da00a06082a8648ce3d030107a14403420004e2cc561e"
+ "e701da0ad0ef0d176bb0c919d42e79c393fdc1bd6c4010d85cf2cf8e68c9"
+ "05464666f98dad4f01573ba81078b3428570a439ba3229fbc026c550682f");
+
+string ec_256_key_sec1 =
+ hex2str("308187020100301306072a8648ce3d020106082a8648ce3d030107046d30"
+ "6b0201010420782370a8c8ce5537baadd04dcff079c8158cfa9c67b818b3"
+ "8e8d21c9fa750c1da14403420004e2cc561ee701da0ad0ef0d176bb0c919"
+ "d42e79c393fdc1bd6c4010d85cf2cf8e68c905464666f98dad4f01573ba8"
+ "1078b3428570a439ba3229fbc026c550682f");
+
+struct RSA_Delete {
+ void operator()(RSA* p) { RSA_free(p); }
+};
+
+/* TODO(seleneh) add attestation verification codes like verify_chain() and
+ * attestation tests after we decided on the keymint 1 attestation changes.
+ */
+
+std::string make_string(const uint8_t* data, size_t length) {
+ return std::string(reinterpret_cast<const char*>(data), length);
+}
+
+template <size_t N>
+std::string make_string(const uint8_t (&a)[N]) {
+ return make_string(a, N);
+}
+
+class AidlBuf : public vector<uint8_t> {
+ typedef vector<uint8_t> super;
+
+ public:
+ AidlBuf() {}
+ AidlBuf(const super& other) : super(other) {}
+ AidlBuf(super&& other) : super(std::move(other)) {}
+ explicit AidlBuf(const std::string& other) : AidlBuf() { *this = other; }
+
+ AidlBuf& operator=(const super& other) {
+ super::operator=(other);
+ return *this;
+ }
+
+ AidlBuf& operator=(super&& other) {
+ super::operator=(std::move(other));
+ return *this;
+ }
+
+ AidlBuf& operator=(const string& other) {
+ resize(other.size());
+ for (size_t i = 0; i < other.size(); ++i) {
+ (*this)[i] = static_cast<uint8_t>(other[i]);
+ }
+ return *this;
+ }
+
+ string to_string() const { return string(reinterpret_cast<const char*>(data()), size()); }
+};
+
+} // namespace
+
+class NewKeyGenerationTest : public KeyMintAidlTestBase {
+ protected:
+ void CheckBaseParams(const KeyCharacteristics& keyCharacteristics) {
+ // TODO(swillden): Distinguish which params should be in which auth list.
+
+ AuthorizationSet auths(keyCharacteristics.hardwareEnforced);
+ auths.push_back(AuthorizationSet(keyCharacteristics.softwareEnforced));
+
+ EXPECT_TRUE(auths.Contains(TAG_ORIGIN, KeyOrigin::GENERATED));
+ EXPECT_TRUE(auths.Contains(TAG_PURPOSE, KeyPurpose::SIGN));
+ EXPECT_TRUE(auths.Contains(TAG_PURPOSE, KeyPurpose::VERIFY));
+
+ // Verify that App ID, App data and ROT are NOT included.
+ EXPECT_FALSE(auths.Contains(TAG_ROOT_OF_TRUST));
+ EXPECT_FALSE(auths.Contains(TAG_APPLICATION_ID));
+ EXPECT_FALSE(auths.Contains(TAG_APPLICATION_DATA));
+
+ // Check that some unexpected tags/values are NOT present.
+ EXPECT_FALSE(auths.Contains(TAG_PURPOSE, KeyPurpose::ENCRYPT));
+ EXPECT_FALSE(auths.Contains(TAG_PURPOSE, KeyPurpose::DECRYPT));
+ EXPECT_FALSE(auths.Contains(TAG_AUTH_TIMEOUT, 301U));
+
+ // Now check that unspecified, defaulted tags are correct.
+ EXPECT_TRUE(auths.Contains(TAG_CREATION_DATETIME));
+
+ EXPECT_TRUE(auths.Contains(TAG_OS_VERSION, os_version()))
+ << "OS version is " << os_version() << " key reported "
+ << auths.GetTagValue(TAG_OS_VERSION);
+ EXPECT_TRUE(auths.Contains(TAG_OS_PATCHLEVEL, os_patch_level()))
+ << "OS patch level is " << os_patch_level() << " key reported "
+ << auths.GetTagValue(TAG_OS_PATCHLEVEL);
+ }
+};
+
+/*
+ * NewKeyGenerationTest.Rsa
+ *
+ * Verifies that keymint can generate all required RSA key sizes, and that the resulting keys
+ * have correct characteristics.
+ */
+TEST_P(NewKeyGenerationTest, Rsa) {
+ for (auto key_size : ValidKeySizes(Algorithm::RSA)) {
+ vector<uint8_t> key_blob;
+ KeyCharacteristics key_characteristics;
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .RsaSigningKey(key_size, 65537)
+ .Digest(Digest::NONE)
+ .Padding(PaddingMode::NONE),
+ &key_blob, &key_characteristics));
+
+ ASSERT_GT(key_blob.size(), 0U);
+ CheckBaseParams(key_characteristics);
+
+ AuthorizationSet crypto_params;
+ if (IsSecure()) {
+ crypto_params = key_characteristics.hardwareEnforced;
+ } else {
+ crypto_params = key_characteristics.softwareEnforced;
+ }
+
+ EXPECT_TRUE(crypto_params.Contains(TAG_ALGORITHM, Algorithm::RSA));
+ EXPECT_TRUE(crypto_params.Contains(TAG_KEY_SIZE, key_size))
+ << "Key size " << key_size << "missing";
+ EXPECT_TRUE(crypto_params.Contains(TAG_RSA_PUBLIC_EXPONENT, 65537U));
+
+ CheckedDeleteKey(&key_blob);
+ }
+}
+
+/*
+ * NewKeyGenerationTest.NoInvalidRsaSizes
+ *
+ * Verifies that keymint cannot generate any RSA key sizes that are designated as invalid.
+ */
+TEST_P(NewKeyGenerationTest, NoInvalidRsaSizes) {
+ for (auto key_size : InvalidKeySizes(Algorithm::RSA)) {
+ vector<uint8_t> key_blob;
+ KeyCharacteristics key_characteristics;
+ ASSERT_EQ(ErrorCode::UNSUPPORTED_KEY_SIZE,
+ GenerateKey(AuthorizationSetBuilder()
+ .RsaSigningKey(key_size, 65537)
+ .Digest(Digest::NONE)
+ .Padding(PaddingMode::NONE),
+ &key_blob, &key_characteristics));
+ }
+}
+
+/*
+ * NewKeyGenerationTest.RsaNoDefaultSize
+ *
+ * Verifies that failing to specify a key size for RSA key generation returns
+ * UNSUPPORTED_KEY_SIZE.
+ */
+TEST_P(NewKeyGenerationTest, RsaNoDefaultSize) {
+ ASSERT_EQ(ErrorCode::UNSUPPORTED_KEY_SIZE,
+ GenerateKey(AuthorizationSetBuilder()
+ .Authorization(TAG_ALGORITHM, Algorithm::RSA)
+ .Authorization(TAG_RSA_PUBLIC_EXPONENT, 3U)
+ .SigningKey()));
+}
+
+/*
+ * NewKeyGenerationTest.Ecdsa
+ *
+ * Verifies that keymint can generate all required EC key sizes, and that the resulting keys
+ * have correct characteristics.
+ */
+TEST_P(NewKeyGenerationTest, Ecdsa) {
+ for (auto key_size : ValidKeySizes(Algorithm::EC)) {
+ vector<uint8_t> key_blob;
+ KeyCharacteristics key_characteristics;
+ ASSERT_EQ(ErrorCode::OK,
+ GenerateKey(
+ AuthorizationSetBuilder().EcdsaSigningKey(key_size).Digest(Digest::NONE),
+ &key_blob, &key_characteristics));
+ ASSERT_GT(key_blob.size(), 0U);
+ CheckBaseParams(key_characteristics);
+
+ AuthorizationSet crypto_params;
+ if (IsSecure()) {
+ crypto_params = key_characteristics.hardwareEnforced;
+ } else {
+ crypto_params = key_characteristics.softwareEnforced;
+ }
+
+ EXPECT_TRUE(crypto_params.Contains(TAG_ALGORITHM, Algorithm::EC));
+ EXPECT_TRUE(crypto_params.Contains(TAG_KEY_SIZE, key_size))
+ << "Key size " << key_size << "missing";
+
+ CheckedDeleteKey(&key_blob);
+ }
+}
+
+/*
+ * NewKeyGenerationTest.EcdsaDefaultSize
+ *
+ * Verifies that failing to specify a key size for EC key generation returns
+ * UNSUPPORTED_KEY_SIZE.
+ */
+TEST_P(NewKeyGenerationTest, EcdsaDefaultSize) {
+ ASSERT_EQ(ErrorCode::UNSUPPORTED_KEY_SIZE,
+ GenerateKey(AuthorizationSetBuilder()
+ .Authorization(TAG_ALGORITHM, Algorithm::EC)
+ .SigningKey()
+ .Digest(Digest::NONE)));
+}
+
+/*
+ * NewKeyGenerationTest.EcdsaInvalidSize
+ *
+ * Verifies that specifying an invalid key size for EC key generation returns
+ * UNSUPPORTED_KEY_SIZE.
+ */
+TEST_P(NewKeyGenerationTest, EcdsaInvalidSize) {
+ for (auto key_size : InvalidKeySizes(Algorithm::EC)) {
+ vector<uint8_t> key_blob;
+ KeyCharacteristics key_characteristics;
+ ASSERT_EQ(ErrorCode::UNSUPPORTED_KEY_SIZE,
+ GenerateKey(
+ AuthorizationSetBuilder().EcdsaSigningKey(key_size).Digest(Digest::NONE),
+ &key_blob, &key_characteristics));
+ }
+
+ ASSERT_EQ(ErrorCode::UNSUPPORTED_KEY_SIZE,
+ GenerateKey(AuthorizationSetBuilder().EcdsaSigningKey(190).Digest(Digest::NONE)));
+}
+
+/*
+ * NewKeyGenerationTest.EcdsaMismatchKeySize
+ *
+ * Verifies that specifying mismatched key size and curve for EC key generation returns
+ * INVALID_ARGUMENT.
+ */
+TEST_P(NewKeyGenerationTest, EcdsaMismatchKeySize) {
+ if (SecLevel() == SecurityLevel::STRONGBOX) return;
+
+ ASSERT_EQ(ErrorCode::INVALID_ARGUMENT,
+ GenerateKey(AuthorizationSetBuilder()
+ .EcdsaSigningKey(224)
+ .Authorization(TAG_EC_CURVE, EcCurve::P_256)
+ .Digest(Digest::NONE)));
+}
+
+/*
+ * NewKeyGenerationTest.EcdsaAllValidSizes
+ *
+ * Verifies that keymint supports all required EC key sizes.
+ */
+TEST_P(NewKeyGenerationTest, EcdsaAllValidSizes) {
+ auto valid_sizes = ValidKeySizes(Algorithm::EC);
+ for (size_t size : valid_sizes) {
+ EXPECT_EQ(ErrorCode::OK,
+ GenerateKey(AuthorizationSetBuilder().EcdsaSigningKey(size).Digest(Digest::NONE)))
+ << "Failed to generate size: " << size;
+ CheckedDeleteKey();
+ }
+}
+
+/*
+ * NewKeyGenerationTest.EcdsaInvalidCurves
+ *
+ * Verifies that keymint does not support any curve designated as unsupported.
+ */
+TEST_P(NewKeyGenerationTest, EcdsaAllValidCurves) {
+ Digest digest;
+ if (SecLevel() == SecurityLevel::STRONGBOX) {
+ digest = Digest::SHA_2_256;
+ } else {
+ digest = Digest::SHA_2_512;
+ }
+ for (auto curve : ValidCurves()) {
+ EXPECT_EQ(ErrorCode::OK,
+ GenerateKey(AuthorizationSetBuilder().EcdsaSigningKey(curve).Digest(digest)))
+ << "Failed to generate key on curve: " << curve;
+ CheckedDeleteKey();
+ }
+}
+
+/*
+ * NewKeyGenerationTest.Hmac
+ *
+ * Verifies that keymint supports all required digests, and that the resulting keys have correct
+ * characteristics.
+ */
+TEST_P(NewKeyGenerationTest, Hmac) {
+ for (auto digest : ValidDigests(false /* withNone */, true /* withMD5 */)) {
+ vector<uint8_t> key_blob;
+ KeyCharacteristics key_characteristics;
+ constexpr size_t key_size = 128;
+ ASSERT_EQ(ErrorCode::OK,
+ GenerateKey(
+ AuthorizationSetBuilder().HmacKey(key_size).Digest(digest).Authorization(
+ TAG_MIN_MAC_LENGTH, 128),
+ &key_blob, &key_characteristics));
+
+ ASSERT_GT(key_blob.size(), 0U);
+ CheckBaseParams(key_characteristics);
+
+ AuthorizationSet hardwareEnforced = key_characteristics.hardwareEnforced;
+ AuthorizationSet softwareEnforced = key_characteristics.softwareEnforced;
+ if (IsSecure()) {
+ EXPECT_TRUE(hardwareEnforced.Contains(TAG_ALGORITHM, Algorithm::HMAC));
+ EXPECT_TRUE(hardwareEnforced.Contains(TAG_KEY_SIZE, key_size))
+ << "Key size " << key_size << "missing";
+ } else {
+ EXPECT_TRUE(softwareEnforced.Contains(TAG_ALGORITHM, Algorithm::HMAC));
+ EXPECT_TRUE(softwareEnforced.Contains(TAG_KEY_SIZE, key_size))
+ << "Key size " << key_size << "missing";
+ }
+
+ CheckedDeleteKey(&key_blob);
+ }
+}
+
+/*
+ * NewKeyGenerationTest.HmacCheckKeySizes
+ *
+ * Verifies that keymint supports all key sizes, and rejects all invalid key sizes.
+ */
+TEST_P(NewKeyGenerationTest, HmacCheckKeySizes) {
+ for (size_t key_size = 0; key_size <= 512; ++key_size) {
+ if (key_size < 64 || key_size % 8 != 0) {
+ // To keep this test from being very slow, we only test a random fraction of
+ // non-byte key sizes. We test only ~10% of such cases. Since there are 392 of
+ // them, we expect to run ~40 of them in each run.
+ if (key_size % 8 == 0 || random() % 10 == 0) {
+ EXPECT_EQ(ErrorCode::UNSUPPORTED_KEY_SIZE,
+ GenerateKey(AuthorizationSetBuilder()
+ .HmacKey(key_size)
+ .Digest(Digest::SHA_2_256)
+ .Authorization(TAG_MIN_MAC_LENGTH, 256)))
+ << "HMAC key size " << key_size << " invalid";
+ }
+ } else {
+ EXPECT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .HmacKey(key_size)
+ .Digest(Digest::SHA_2_256)
+ .Authorization(TAG_MIN_MAC_LENGTH, 256)))
+ << "Failed to generate HMAC key of size " << key_size;
+ CheckedDeleteKey();
+ }
+ }
+}
+
+/*
+ * NewKeyGenerationTest.HmacCheckMinMacLengths
+ *
+ * Verifies that keymint supports all required MAC lengths and rejects all invalid lengths. This
+ * test is probabilistic in order to keep the runtime down, but any failure prints out the
+ * specific MAC length that failed, so reproducing a failed run will be easy.
+ */
+TEST_P(NewKeyGenerationTest, HmacCheckMinMacLengths) {
+ for (size_t min_mac_length = 0; min_mac_length <= 256; ++min_mac_length) {
+ if (min_mac_length < 64 || min_mac_length % 8 != 0) {
+ // To keep this test from being very long, we only test a random fraction of
+ // non-byte lengths. We test only ~10% of such cases. Since there are 172 of them,
+ // we expect to run ~17 of them in each run.
+ if (min_mac_length % 8 == 0 || random() % 10 == 0) {
+ EXPECT_EQ(ErrorCode::UNSUPPORTED_MIN_MAC_LENGTH,
+ GenerateKey(AuthorizationSetBuilder()
+ .HmacKey(128)
+ .Digest(Digest::SHA_2_256)
+ .Authorization(TAG_MIN_MAC_LENGTH, min_mac_length)))
+ << "HMAC min mac length " << min_mac_length << " invalid.";
+ }
+ } else {
+ EXPECT_EQ(ErrorCode::OK,
+ GenerateKey(AuthorizationSetBuilder()
+ .HmacKey(128)
+ .Digest(Digest::SHA_2_256)
+ .Authorization(TAG_MIN_MAC_LENGTH, min_mac_length)))
+ << "Failed to generate HMAC key with min MAC length " << min_mac_length;
+ CheckedDeleteKey();
+ }
+ }
+}
+
+/*
+ * NewKeyGenerationTest.HmacMultipleDigests
+ *
+ * Verifies that keymint rejects HMAC key generation with multiple specified digest algorithms.
+ */
+TEST_P(NewKeyGenerationTest, HmacMultipleDigests) {
+ if (SecLevel() == SecurityLevel::STRONGBOX) return;
+
+ ASSERT_EQ(ErrorCode::UNSUPPORTED_DIGEST,
+ GenerateKey(AuthorizationSetBuilder()
+ .HmacKey(128)
+ .Digest(Digest::SHA1)
+ .Digest(Digest::SHA_2_256)
+ .Authorization(TAG_MIN_MAC_LENGTH, 128)));
+}
+
+/*
+ * NewKeyGenerationTest.HmacDigestNone
+ *
+ * Verifies that keymint rejects HMAC key generation with no digest or Digest::NONE
+ */
+TEST_P(NewKeyGenerationTest, HmacDigestNone) {
+ ASSERT_EQ(ErrorCode::UNSUPPORTED_DIGEST,
+ GenerateKey(AuthorizationSetBuilder().HmacKey(128).Authorization(TAG_MIN_MAC_LENGTH,
+ 128)));
+
+ ASSERT_EQ(ErrorCode::UNSUPPORTED_DIGEST,
+ GenerateKey(AuthorizationSetBuilder()
+ .HmacKey(128)
+ .Digest(Digest::NONE)
+ .Authorization(TAG_MIN_MAC_LENGTH, 128)));
+}
+
+INSTANTIATE_KEYMINT_AIDL_TEST(NewKeyGenerationTest);
+
+typedef KeyMintAidlTestBase SigningOperationsTest;
+
+/*
+ * SigningOperationsTest.RsaSuccess
+ *
+ * Verifies that raw RSA signature operations succeed.
+ */
+TEST_P(SigningOperationsTest, RsaSuccess) {
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .RsaSigningKey(2048, 65537)
+ .Digest(Digest::NONE)
+ .Padding(PaddingMode::NONE)
+ .Authorization(TAG_NO_AUTH_REQUIRED)));
+ string message = "12345678901234567890123456789012";
+ string signature = SignMessage(
+ message, AuthorizationSetBuilder().Digest(Digest::NONE).Padding(PaddingMode::NONE));
+}
+
+/*
+ * SigningOperationsTest.RsaUseRequiresCorrectAppIdAppData
+ *
+ * Verifies that using an RSA key requires the correct app ID/data.
+ */
+TEST_P(SigningOperationsTest, RsaUseRequiresCorrectAppIdAppData) {
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .RsaSigningKey(2048, 65537)
+ .Digest(Digest::NONE)
+ .Padding(PaddingMode::NONE)
+ .Authorization(TAG_APPLICATION_ID, "clientid")
+ .Authorization(TAG_APPLICATION_DATA, "appdata")));
+ EXPECT_EQ(ErrorCode::INVALID_KEY_BLOB,
+ Begin(KeyPurpose::SIGN,
+ AuthorizationSetBuilder().Digest(Digest::NONE).Padding(PaddingMode::NONE)));
+ AbortIfNeeded();
+ EXPECT_EQ(ErrorCode::INVALID_KEY_BLOB,
+ Begin(KeyPurpose::SIGN, AuthorizationSetBuilder()
+ .Digest(Digest::NONE)
+ .Padding(PaddingMode::NONE)
+ .Authorization(TAG_APPLICATION_ID, "clientid")));
+ AbortIfNeeded();
+ EXPECT_EQ(ErrorCode::INVALID_KEY_BLOB,
+ Begin(KeyPurpose::SIGN, AuthorizationSetBuilder()
+ .Digest(Digest::NONE)
+ .Padding(PaddingMode::NONE)
+ .Authorization(TAG_APPLICATION_DATA, "appdata")));
+ AbortIfNeeded();
+ EXPECT_EQ(ErrorCode::OK,
+ Begin(KeyPurpose::SIGN, AuthorizationSetBuilder()
+ .Digest(Digest::NONE)
+ .Padding(PaddingMode::NONE)
+ .Authorization(TAG_APPLICATION_DATA, "appdata")
+ .Authorization(TAG_APPLICATION_ID, "clientid")));
+ AbortIfNeeded();
+}
+
+/*
+ * SigningOperationsTest.RsaPssSha256Success
+ *
+ * Verifies that RSA-PSS signature operations succeed.
+ */
+TEST_P(SigningOperationsTest, RsaPssSha256Success) {
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .RsaSigningKey(2048, 65537)
+ .Digest(Digest::SHA_2_256)
+ .Padding(PaddingMode::RSA_PSS)
+ .Authorization(TAG_NO_AUTH_REQUIRED)));
+ // Use large message, which won't work without digesting.
+ string message(1024, 'a');
+ string signature = SignMessage(
+ message,
+ AuthorizationSetBuilder().Digest(Digest::SHA_2_256).Padding(PaddingMode::RSA_PSS));
+}
+
+/*
+ * SigningOperationsTest.RsaPaddingNoneDoesNotAllowOther
+ *
+ * Verifies that keymint rejects signature operations that specify a padding mode when the key
+ * supports only unpadded operations.
+ */
+TEST_P(SigningOperationsTest, RsaPaddingNoneDoesNotAllowOther) {
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .RsaSigningKey(2048, 65537)
+ .Digest(Digest::NONE)
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .Padding(PaddingMode::NONE)));
+ string message = "12345678901234567890123456789012";
+ string signature;
+
+ EXPECT_EQ(ErrorCode::INCOMPATIBLE_PADDING_MODE,
+ Begin(KeyPurpose::SIGN, AuthorizationSetBuilder()
+ .Digest(Digest::NONE)
+ .Padding(PaddingMode::RSA_PKCS1_1_5_SIGN)));
+}
+
+/*
+ * SigningOperationsTest.NoUserConfirmation
+ *
+ * Verifies that keymint rejects signing operations for keys with
+ * TRUSTED_CONFIRMATION_REQUIRED and no valid confirmation token
+ * presented.
+ */
+TEST_P(SigningOperationsTest, NoUserConfirmation) {
+ if (SecLevel() == SecurityLevel::STRONGBOX) return;
+ ASSERT_EQ(ErrorCode::OK,
+ GenerateKey(AuthorizationSetBuilder()
+ .RsaSigningKey(1024, 65537)
+ .Digest(Digest::NONE)
+ .Padding(PaddingMode::NONE)
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .Authorization(TAG_TRUSTED_CONFIRMATION_REQUIRED)));
+
+ const string message = "12345678901234567890123456789012";
+ EXPECT_EQ(ErrorCode::OK,
+ Begin(KeyPurpose::SIGN,
+ AuthorizationSetBuilder().Digest(Digest::NONE).Padding(PaddingMode::NONE)));
+ string signature;
+ EXPECT_EQ(ErrorCode::NO_USER_CONFIRMATION, Finish(message, &signature));
+}
+
+/*
+ * SigningOperationsTest.RsaPkcs1Sha256Success
+ *
+ * Verifies that digested RSA-PKCS1 signature operations succeed.
+ */
+TEST_P(SigningOperationsTest, RsaPkcs1Sha256Success) {
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .RsaSigningKey(2048, 65537)
+ .Digest(Digest::SHA_2_256)
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .Padding(PaddingMode::RSA_PKCS1_1_5_SIGN)));
+ string message(1024, 'a');
+ string signature = SignMessage(message, AuthorizationSetBuilder()
+ .Digest(Digest::SHA_2_256)
+ .Padding(PaddingMode::RSA_PKCS1_1_5_SIGN));
+}
+
+/*
+ * SigningOperationsTest.RsaPkcs1NoDigestSuccess
+ *
+ * Verifies that undigested RSA-PKCS1 signature operations succeed.
+ */
+TEST_P(SigningOperationsTest, RsaPkcs1NoDigestSuccess) {
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .RsaSigningKey(2048, 65537)
+ .Digest(Digest::NONE)
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .Padding(PaddingMode::RSA_PKCS1_1_5_SIGN)));
+ string message(53, 'a');
+ string signature = SignMessage(message, AuthorizationSetBuilder()
+ .Digest(Digest::NONE)
+ .Padding(PaddingMode::RSA_PKCS1_1_5_SIGN));
+}
+
+/*
+ * SigningOperationsTest.RsaPkcs1NoDigestTooLarge
+ *
+ * Verifies that undigested RSA-PKCS1 signature operations fail with the correct error code when
+ * given a too-long message.
+ */
+TEST_P(SigningOperationsTest, RsaPkcs1NoDigestTooLong) {
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .RsaSigningKey(2048, 65537)
+ .Digest(Digest::NONE)
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .Padding(PaddingMode::RSA_PKCS1_1_5_SIGN)));
+ string message(257, 'a');
+
+ EXPECT_EQ(ErrorCode::OK,
+ Begin(KeyPurpose::SIGN, AuthorizationSetBuilder()
+ .Digest(Digest::NONE)
+ .Padding(PaddingMode::RSA_PKCS1_1_5_SIGN)));
+ string signature;
+ EXPECT_EQ(ErrorCode::INVALID_INPUT_LENGTH, Finish(message, &signature));
+}
+
+/*
+ * SigningOperationsTest.RsaPssSha512TooSmallKey
+ *
+ * Verifies that undigested RSA-PSS signature operations fail with the correct error code when
+ * used with a key that is too small for the message.
+ *
+ * A PSS-padded message is of length salt_size + digest_size + 16 (sizes in bits), and the
+ * keymint specification requires that salt_size == digest_size, so the message will be
+ * digest_size * 2 +
+ * 16. Such a message can only be signed by a given key if the key is at least that size. This
+ * test uses SHA512, which has a digest_size == 512, so the message size is 1040 bits, too large
+ * for a 1024-bit key.
+ */
+TEST_P(SigningOperationsTest, RsaPssSha512TooSmallKey) {
+ if (SecLevel() == SecurityLevel::STRONGBOX) return;
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .RsaSigningKey(1024, 65537)
+ .Digest(Digest::SHA_2_512)
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .Padding(PaddingMode::RSA_PSS)));
+ EXPECT_EQ(ErrorCode::INCOMPATIBLE_DIGEST,
+ Begin(KeyPurpose::SIGN, AuthorizationSetBuilder()
+ .Digest(Digest::SHA_2_512)
+ .Padding(PaddingMode::RSA_PSS)));
+}
+
+/*
+ * SigningOperationsTest.RsaNoPaddingTooLong
+ *
+ * Verifies that raw RSA signature operations fail with the correct error code when
+ * given a too-long message.
+ */
+TEST_P(SigningOperationsTest, RsaNoPaddingTooLong) {
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .RsaSigningKey(2048, 65537)
+ .Digest(Digest::NONE)
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .Padding(PaddingMode::RSA_PKCS1_1_5_SIGN)));
+ // One byte too long
+ string message(2048 / 8 + 1, 'a');
+ ASSERT_EQ(ErrorCode::OK,
+ Begin(KeyPurpose::SIGN, AuthorizationSetBuilder()
+ .Digest(Digest::NONE)
+ .Padding(PaddingMode::RSA_PKCS1_1_5_SIGN)));
+ string result;
+ ErrorCode finish_error_code = Finish(message, &result);
+ EXPECT_TRUE(finish_error_code == ErrorCode::INVALID_INPUT_LENGTH ||
+ finish_error_code == ErrorCode::INVALID_ARGUMENT);
+
+ // Very large message that should exceed the transfer buffer size of any reasonable TEE.
+ message = string(128 * 1024, 'a');
+ ASSERT_EQ(ErrorCode::OK,
+ Begin(KeyPurpose::SIGN, AuthorizationSetBuilder()
+ .Digest(Digest::NONE)
+ .Padding(PaddingMode::RSA_PKCS1_1_5_SIGN)));
+ finish_error_code = Finish(message, &result);
+ EXPECT_TRUE(finish_error_code == ErrorCode::INVALID_INPUT_LENGTH ||
+ finish_error_code == ErrorCode::INVALID_ARGUMENT);
+}
+
+/*
+ * SigningOperationsTest.RsaAbort
+ *
+ * Verifies that operations can be aborted correctly. Uses an RSA signing operation for the
+ * test, but the behavior should be algorithm and purpose-independent.
+ */
+TEST_P(SigningOperationsTest, RsaAbort) {
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .RsaSigningKey(2048, 65537)
+ .Digest(Digest::NONE)
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .Padding(PaddingMode::NONE)));
+
+ ASSERT_EQ(ErrorCode::OK,
+ Begin(KeyPurpose::SIGN,
+ AuthorizationSetBuilder().Digest(Digest::NONE).Padding(PaddingMode::NONE)));
+ EXPECT_EQ(ErrorCode::OK, Abort());
+
+ // Another abort should fail
+ EXPECT_EQ(ErrorCode::INVALID_OPERATION_HANDLE, Abort());
+
+ // Set to sentinel, so TearDown() doesn't try to abort again.
+ op_.clear();
+}
+
+/*
+ * SigningOperationsTest.RsaUnsupportedPadding
+ *
+ * Verifies that RSA operations fail with the correct error (but key gen succeeds) when used
+ * with a padding mode inappropriate for RSA.
+ */
+TEST_P(SigningOperationsTest, RsaUnsupportedPadding) {
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .RsaSigningKey(2048, 65537)
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .Digest(Digest::SHA_2_256 /* supported digest */)
+ .Padding(PaddingMode::PKCS7)));
+ ASSERT_EQ(
+ ErrorCode::UNSUPPORTED_PADDING_MODE,
+ Begin(KeyPurpose::SIGN,
+ AuthorizationSetBuilder().Digest(Digest::SHA_2_256).Padding(PaddingMode::PKCS7)));
+}
+
+/*
+ * SigningOperationsTest.RsaPssNoDigest
+ *
+ * Verifies that RSA PSS operations fail when no digest is used. PSS requires a digest.
+ */
+TEST_P(SigningOperationsTest, RsaNoDigest) {
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .RsaSigningKey(2048, 65537)
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .Digest(Digest::NONE)
+ .Padding(PaddingMode::RSA_PSS)));
+ ASSERT_EQ(ErrorCode::INCOMPATIBLE_DIGEST,
+ Begin(KeyPurpose::SIGN,
+ AuthorizationSetBuilder().Digest(Digest::NONE).Padding(PaddingMode::RSA_PSS)));
+
+ ASSERT_EQ(ErrorCode::UNSUPPORTED_DIGEST,
+ Begin(KeyPurpose::SIGN, AuthorizationSetBuilder().Padding(PaddingMode::RSA_PSS)));
+}
+
+/*
+ * SigningOperationsTest.RsaPssNoDigest
+ *
+ * Verifies that RSA operations fail when no padding mode is specified. PaddingMode::NONE is
+ * supported in some cases (as validated in other tests), but a mode must be specified.
+ */
+TEST_P(SigningOperationsTest, RsaNoPadding) {
+ // Padding must be specified
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .RsaKey(2048, 65537)
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .SigningKey()
+ .Digest(Digest::NONE)));
+ ASSERT_EQ(ErrorCode::UNSUPPORTED_PADDING_MODE,
+ Begin(KeyPurpose::SIGN, AuthorizationSetBuilder().Digest(Digest::NONE)));
+}
+
+/*
+ * SigningOperationsTest.RsaShortMessage
+ *
+ * Verifies that raw RSA signatures succeed with a message shorter than the key size.
+ */
+TEST_P(SigningOperationsTest, RsaTooShortMessage) {
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .RsaSigningKey(2048, 65537)
+ .Digest(Digest::NONE)
+ .Padding(PaddingMode::NONE)));
+
+ // Barely shorter
+ string message(2048 / 8 - 1, 'a');
+ SignMessage(message, AuthorizationSetBuilder().Digest(Digest::NONE).Padding(PaddingMode::NONE));
+
+ // Much shorter
+ message = "a";
+ SignMessage(message, AuthorizationSetBuilder().Digest(Digest::NONE).Padding(PaddingMode::NONE));
+}
+
+/*
+ * SigningOperationsTest.RsaSignWithEncryptionKey
+ *
+ * Verifies that RSA encryption keys cannot be used to sign.
+ */
+TEST_P(SigningOperationsTest, RsaSignWithEncryptionKey) {
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .RsaEncryptionKey(2048, 65537)
+ .Digest(Digest::NONE)
+ .Padding(PaddingMode::NONE)));
+ ASSERT_EQ(ErrorCode::INCOMPATIBLE_PURPOSE,
+ Begin(KeyPurpose::SIGN,
+ AuthorizationSetBuilder().Digest(Digest::NONE).Padding(PaddingMode::NONE)));
+}
+
+/*
+ * SigningOperationsTest.RsaSignTooLargeMessage
+ *
+ * Verifies that attempting a raw signature of a message which is the same length as the key,
+ * but numerically larger than the public modulus, fails with the correct error.
+ */
+TEST_P(SigningOperationsTest, RsaSignTooLargeMessage) {
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .RsaSigningKey(2048, 65537)
+ .Digest(Digest::NONE)
+ .Padding(PaddingMode::NONE)));
+
+ // Largest possible message will always be larger than the public modulus.
+ string message(2048 / 8, static_cast<char>(0xff));
+ ASSERT_EQ(ErrorCode::OK, Begin(KeyPurpose::SIGN, AuthorizationSetBuilder()
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .Digest(Digest::NONE)
+ .Padding(PaddingMode::NONE)));
+ string signature;
+ ASSERT_EQ(ErrorCode::INVALID_ARGUMENT, Finish(message, &signature));
+}
+
+/*
+ * SigningOperationsTest.EcdsaAllSizesAndHashes
+ *
+ * Verifies that ECDSA operations succeed with all possible key sizes and hashes.
+ */
+TEST_P(SigningOperationsTest, EcdsaAllSizesAndHashes) {
+ for (auto key_size : ValidKeySizes(Algorithm::EC)) {
+ for (auto digest : ValidDigests(false /* withNone */, false /* withMD5 */)) {
+ ErrorCode error = GenerateKey(AuthorizationSetBuilder()
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .EcdsaSigningKey(key_size)
+ .Digest(digest));
+ EXPECT_EQ(ErrorCode::OK, error) << "Failed to generate ECDSA key with size " << key_size
+ << " and digest " << digest;
+ if (error != ErrorCode::OK) continue;
+
+ string message(1024, 'a');
+ if (digest == Digest::NONE) message.resize(key_size / 8);
+ SignMessage(message, AuthorizationSetBuilder().Digest(digest));
+ CheckedDeleteKey();
+ }
+ }
+}
+
+/*
+ * SigningOperationsTest.EcdsaAllCurves
+ *
+ * Verifies that ECDSA operations succeed with all possible curves.
+ */
+TEST_P(SigningOperationsTest, EcdsaAllCurves) {
+ for (auto curve : ValidCurves()) {
+ ErrorCode error = GenerateKey(AuthorizationSetBuilder()
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .EcdsaSigningKey(curve)
+ .Digest(Digest::SHA_2_256));
+ EXPECT_EQ(ErrorCode::OK, error) << "Failed to generate ECDSA key with curve " << curve;
+ if (error != ErrorCode::OK) continue;
+
+ string message(1024, 'a');
+ SignMessage(message, AuthorizationSetBuilder().Digest(Digest::SHA_2_256));
+ CheckedDeleteKey();
+ }
+}
+
+/*
+ * SigningOperationsTest.EcdsaNoDigestHugeData
+ *
+ * Verifies that ECDSA operations support very large messages, even without digesting. This
+ * should work because ECDSA actually only signs the leftmost L_n bits of the message, however
+ * large it may be. Not using digesting is a bad idea, but in some cases digesting is done by
+ * the framework.
+ */
+TEST_P(SigningOperationsTest, EcdsaNoDigestHugeData) {
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .EcdsaSigningKey(256)
+ .Digest(Digest::NONE)));
+ string message(1 * 1024, 'a');
+ SignMessage(message, AuthorizationSetBuilder().Digest(Digest::NONE));
+}
+
+/*
+ * SigningOperationsTest.EcUseRequiresCorrectAppIdAppData
+ *
+ * Verifies that using an EC key requires the correct app ID/data.
+ */
+TEST_P(SigningOperationsTest, EcUseRequiresCorrectAppIdAppData) {
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .EcdsaSigningKey(256)
+ .Digest(Digest::NONE)
+ .Authorization(TAG_APPLICATION_ID, "clientid")
+ .Authorization(TAG_APPLICATION_DATA, "appdata")));
+ EXPECT_EQ(ErrorCode::INVALID_KEY_BLOB,
+ Begin(KeyPurpose::SIGN, AuthorizationSetBuilder().Digest(Digest::NONE)));
+ AbortIfNeeded();
+ EXPECT_EQ(ErrorCode::INVALID_KEY_BLOB,
+ Begin(KeyPurpose::SIGN, AuthorizationSetBuilder()
+ .Digest(Digest::NONE)
+ .Authorization(TAG_APPLICATION_ID, "clientid")));
+ AbortIfNeeded();
+ EXPECT_EQ(ErrorCode::INVALID_KEY_BLOB,
+ Begin(KeyPurpose::SIGN, AuthorizationSetBuilder()
+ .Digest(Digest::NONE)
+ .Authorization(TAG_APPLICATION_DATA, "appdata")));
+ AbortIfNeeded();
+ EXPECT_EQ(ErrorCode::OK,
+ Begin(KeyPurpose::SIGN, AuthorizationSetBuilder()
+ .Digest(Digest::NONE)
+ .Authorization(TAG_APPLICATION_DATA, "appdata")
+ .Authorization(TAG_APPLICATION_ID, "clientid")));
+ AbortIfNeeded();
+}
+
+/*
+ * SigningOperationsTest.AesEcbSign
+ *
+ * Verifies that attempts to use AES keys to sign fail in the correct way.
+ */
+TEST_P(SigningOperationsTest, AesEcbSign) {
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .SigningKey()
+ .AesEncryptionKey(128)
+ .Authorization(TAG_BLOCK_MODE, BlockMode::ECB)));
+
+ AuthorizationSet out_params;
+ EXPECT_EQ(ErrorCode::UNSUPPORTED_PURPOSE,
+ Begin(KeyPurpose::SIGN, AuthorizationSet() /* in_params */, &out_params));
+ EXPECT_EQ(ErrorCode::UNSUPPORTED_PURPOSE,
+ Begin(KeyPurpose::VERIFY, AuthorizationSet() /* in_params */, &out_params));
+}
+
+/*
+ * SigningOperationsTest.HmacAllDigests
+ *
+ * Verifies that HMAC works with all digests.
+ */
+TEST_P(SigningOperationsTest, HmacAllDigests) {
+ for (auto digest : ValidDigests(false /* withNone */, false /* withMD5 */)) {
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .HmacKey(128)
+ .Digest(digest)
+ .Authorization(TAG_MIN_MAC_LENGTH, 160)))
+ << "Failed to create HMAC key with digest " << digest;
+ string message = "12345678901234567890123456789012";
+ string signature = MacMessage(message, digest, 160);
+ EXPECT_EQ(160U / 8U, signature.size())
+ << "Failed to sign with HMAC key with digest " << digest;
+ CheckedDeleteKey();
+ }
+}
+
+/*
+ * SigningOperationsTest.HmacSha256TooLargeMacLength
+ *
+ * Verifies that HMAC fails in the correct way when asked to generate a MAC larger than the
+ * digest size.
+ */
+TEST_P(SigningOperationsTest, HmacSha256TooLargeMacLength) {
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .HmacKey(128)
+ .Digest(Digest::SHA_2_256)
+ .Authorization(TAG_MIN_MAC_LENGTH, 256)));
+ AuthorizationSet output_params;
+ EXPECT_EQ(ErrorCode::UNSUPPORTED_MAC_LENGTH, Begin(KeyPurpose::SIGN, key_blob_,
+ AuthorizationSetBuilder()
+ .Digest(Digest::SHA_2_256)
+ .Authorization(TAG_MAC_LENGTH, 264),
+ &output_params));
+}
+
+/*
+ * SigningOperationsTest.HmacSha256TooSmallMacLength
+ *
+ * Verifies that HMAC fails in the correct way when asked to generate a MAC smaller than the
+ * specified minimum MAC length.
+ */
+TEST_P(SigningOperationsTest, HmacSha256TooSmallMacLength) {
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .HmacKey(128)
+ .Digest(Digest::SHA_2_256)
+ .Authorization(TAG_MIN_MAC_LENGTH, 128)));
+ AuthorizationSet output_params;
+ EXPECT_EQ(ErrorCode::INVALID_MAC_LENGTH, Begin(KeyPurpose::SIGN, key_blob_,
+ AuthorizationSetBuilder()
+ .Digest(Digest::SHA_2_256)
+ .Authorization(TAG_MAC_LENGTH, 120),
+ &output_params));
+}
+
+/*
+ * SigningOperationsTest.HmacRfc4231TestCase3
+ *
+ * Validates against the test vectors from RFC 4231 test case 3.
+ */
+TEST_P(SigningOperationsTest, HmacRfc4231TestCase3) {
+ string key(20, 0xaa);
+ string message(50, 0xdd);
+ uint8_t sha_224_expected[] = {
+ 0x7f, 0xb3, 0xcb, 0x35, 0x88, 0xc6, 0xc1, 0xf6, 0xff, 0xa9, 0x69, 0x4d, 0x7d, 0x6a,
+ 0xd2, 0x64, 0x93, 0x65, 0xb0, 0xc1, 0xf6, 0x5d, 0x69, 0xd1, 0xec, 0x83, 0x33, 0xea,
+ };
+ uint8_t sha_256_expected[] = {
+ 0x77, 0x3e, 0xa9, 0x1e, 0x36, 0x80, 0x0e, 0x46, 0x85, 0x4d, 0xb8,
+ 0xeb, 0xd0, 0x91, 0x81, 0xa7, 0x29, 0x59, 0x09, 0x8b, 0x3e, 0xf8,
+ 0xc1, 0x22, 0xd9, 0x63, 0x55, 0x14, 0xce, 0xd5, 0x65, 0xfe,
+ };
+ uint8_t sha_384_expected[] = {
+ 0x88, 0x06, 0x26, 0x08, 0xd3, 0xe6, 0xad, 0x8a, 0x0a, 0xa2, 0xac, 0xe0,
+ 0x14, 0xc8, 0xa8, 0x6f, 0x0a, 0xa6, 0x35, 0xd9, 0x47, 0xac, 0x9f, 0xeb,
+ 0xe8, 0x3e, 0xf4, 0xe5, 0x59, 0x66, 0x14, 0x4b, 0x2a, 0x5a, 0xb3, 0x9d,
+ 0xc1, 0x38, 0x14, 0xb9, 0x4e, 0x3a, 0xb6, 0xe1, 0x01, 0xa3, 0x4f, 0x27,
+ };
+ uint8_t sha_512_expected[] = {
+ 0xfa, 0x73, 0xb0, 0x08, 0x9d, 0x56, 0xa2, 0x84, 0xef, 0xb0, 0xf0, 0x75, 0x6c,
+ 0x89, 0x0b, 0xe9, 0xb1, 0xb5, 0xdb, 0xdd, 0x8e, 0xe8, 0x1a, 0x36, 0x55, 0xf8,
+ 0x3e, 0x33, 0xb2, 0x27, 0x9d, 0x39, 0xbf, 0x3e, 0x84, 0x82, 0x79, 0xa7, 0x22,
+ 0xc8, 0x06, 0xb4, 0x85, 0xa4, 0x7e, 0x67, 0xc8, 0x07, 0xb9, 0x46, 0xa3, 0x37,
+ 0xbe, 0xe8, 0x94, 0x26, 0x74, 0x27, 0x88, 0x59, 0xe1, 0x32, 0x92, 0xfb,
+ };
+
+ CheckHmacTestVector(key, message, Digest::SHA_2_256, make_string(sha_256_expected));
+ if (SecLevel() != SecurityLevel::STRONGBOX) {
+ CheckHmacTestVector(key, message, Digest::SHA_2_224, make_string(sha_224_expected));
+ CheckHmacTestVector(key, message, Digest::SHA_2_384, make_string(sha_384_expected));
+ CheckHmacTestVector(key, message, Digest::SHA_2_512, make_string(sha_512_expected));
+ }
+}
+
+/*
+ * SigningOperationsTest.HmacRfc4231TestCase5
+ *
+ * Validates against the test vectors from RFC 4231 test case 5.
+ */
+TEST_P(SigningOperationsTest, HmacRfc4231TestCase5) {
+ string key(20, 0x0c);
+ string message = "Test With Truncation";
+
+ uint8_t sha_224_expected[] = {
+ 0x0e, 0x2a, 0xea, 0x68, 0xa9, 0x0c, 0x8d, 0x37,
+ 0xc9, 0x88, 0xbc, 0xdb, 0x9f, 0xca, 0x6f, 0xa8,
+ };
+ uint8_t sha_256_expected[] = {
+ 0xa3, 0xb6, 0x16, 0x74, 0x73, 0x10, 0x0e, 0xe0,
+ 0x6e, 0x0c, 0x79, 0x6c, 0x29, 0x55, 0x55, 0x2b,
+ };
+ uint8_t sha_384_expected[] = {
+ 0x3a, 0xbf, 0x34, 0xc3, 0x50, 0x3b, 0x2a, 0x23,
+ 0xa4, 0x6e, 0xfc, 0x61, 0x9b, 0xae, 0xf8, 0x97,
+ };
+ uint8_t sha_512_expected[] = {
+ 0x41, 0x5f, 0xad, 0x62, 0x71, 0x58, 0x0a, 0x53,
+ 0x1d, 0x41, 0x79, 0xbc, 0x89, 0x1d, 0x87, 0xa6,
+ };
+
+ CheckHmacTestVector(key, message, Digest::SHA_2_256, make_string(sha_256_expected));
+ if (SecLevel() != SecurityLevel::STRONGBOX) {
+ CheckHmacTestVector(key, message, Digest::SHA_2_224, make_string(sha_224_expected));
+ CheckHmacTestVector(key, message, Digest::SHA_2_384, make_string(sha_384_expected));
+ CheckHmacTestVector(key, message, Digest::SHA_2_512, make_string(sha_512_expected));
+ }
+}
+
+INSTANTIATE_KEYMINT_AIDL_TEST(SigningOperationsTest);
+
+typedef KeyMintAidlTestBase VerificationOperationsTest;
+
+/*
+ * VerificationOperationsTest.RsaSuccess
+ *
+ * Verifies that a simple RSA signature/verification sequence succeeds.
+ */
+TEST_P(VerificationOperationsTest, RsaSuccess) {
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .RsaSigningKey(2048, 65537)
+ .Digest(Digest::NONE)
+ .Padding(PaddingMode::NONE)));
+ string message = "12345678901234567890123456789012";
+ string signature = SignMessage(
+ message, AuthorizationSetBuilder().Digest(Digest::NONE).Padding(PaddingMode::NONE));
+ VerifyMessage(message, signature,
+ AuthorizationSetBuilder().Digest(Digest::NONE).Padding(PaddingMode::NONE));
+}
+
+/*
+ * VerificationOperationsTest.RsaSuccess
+ *
+ * Verifies RSA signature/verification for all padding modes and digests.
+ */
+TEST_P(VerificationOperationsTest, RsaAllPaddingsAndDigests) {
+ auto authorizations = AuthorizationSetBuilder()
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .RsaSigningKey(2048, 65537)
+ .Digest(ValidDigests(true /* withNone */, true /* withMD5 */))
+ .Padding(PaddingMode::NONE)
+ .Padding(PaddingMode::RSA_PSS)
+ .Padding(PaddingMode::RSA_PKCS1_1_5_SIGN);
+
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(authorizations));
+
+ string message(128, 'a');
+ string corrupt_message(message);
+ ++corrupt_message[corrupt_message.size() / 2];
+
+ for (auto padding :
+ {PaddingMode::NONE, PaddingMode::RSA_PSS, PaddingMode::RSA_PKCS1_1_5_SIGN}) {
+ for (auto digest : ValidDigests(true /* withNone */, true /* withMD5 */)) {
+ if (padding == PaddingMode::NONE && digest != Digest::NONE) {
+ // Digesting only makes sense with padding.
+ continue;
+ }
+
+ if (padding == PaddingMode::RSA_PSS && digest == Digest::NONE) {
+ // PSS requires digesting.
+ continue;
+ }
+
+ string signature =
+ SignMessage(message, AuthorizationSetBuilder().Digest(digest).Padding(padding));
+ VerifyMessage(message, signature,
+ AuthorizationSetBuilder().Digest(digest).Padding(padding));
+
+ /* TODO(seleneh) add exportkey tests back later when we have decided on
+ * the new api.
+ if (digest != Digest::NONE) {
+ // Verify with OpenSSL.
+ vector<uint8_t> pubkey;
+ ASSERT_EQ(ErrorCode::OK, ExportKey(KeyFormat::X509, &pubkey));
+
+ const uint8_t* p = pubkey.data();
+ EVP_PKEY_Ptr pkey(d2i_PUBKEY(nullptr, &p, pubkey.size()));
+ ASSERT_TRUE(pkey.get());
+
+ EVP_MD_CTX digest_ctx;
+ EVP_MD_CTX_init(&digest_ctx);
+ EVP_PKEY_CTX* pkey_ctx;
+ const EVP_MD* md = openssl_digest(digest);
+ ASSERT_NE(md, nullptr);
+ EXPECT_EQ(1, EVP_DigestVerifyInit(&digest_ctx, &pkey_ctx, md,
+ nullptr, pkey.get()));
+
+ switch (padding) {
+ case PaddingMode::RSA_PSS:
+ EXPECT_GT(EVP_PKEY_CTX_set_rsa_padding(pkey_ctx,
+ RSA_PKCS1_PSS_PADDING), 0); EXPECT_GT(EVP_PKEY_CTX_set_rsa_pss_saltlen(pkey_ctx,
+ EVP_MD_size(md)), 0); break; case PaddingMode::RSA_PKCS1_1_5_SIGN:
+ // PKCS1 is the default; don't need to set anything.
+ break;
+ default:
+ FAIL();
+ break;
+ }
+
+ EXPECT_EQ(1, EVP_DigestVerifyUpdate(&digest_ctx, message.data(),
+ message.size())); EXPECT_EQ(1, EVP_DigestVerifyFinal(&digest_ctx,
+ reinterpret_cast<const
+ uint8_t*>(signature.data()), signature.size())); EVP_MD_CTX_cleanup(&digest_ctx);
+ }
+ */
+
+ // Corrupt signature shouldn't verify.
+ string corrupt_signature(signature);
+ ++corrupt_signature[corrupt_signature.size() / 2];
+
+ EXPECT_EQ(ErrorCode::OK,
+ Begin(KeyPurpose::VERIFY,
+ AuthorizationSetBuilder().Digest(digest).Padding(padding)));
+ string result;
+ EXPECT_EQ(ErrorCode::VERIFICATION_FAILED, Finish(message, corrupt_signature, &result));
+
+ // Corrupt message shouldn't verify
+ EXPECT_EQ(ErrorCode::OK,
+ Begin(KeyPurpose::VERIFY,
+ AuthorizationSetBuilder().Digest(digest).Padding(padding)));
+ EXPECT_EQ(ErrorCode::VERIFICATION_FAILED, Finish(corrupt_message, signature, &result));
+ }
+ }
+}
+
+/*
+ * VerificationOperationsTest.RsaSuccess
+ *
+ * Verifies ECDSA signature/verification for all digests and curves.
+ */
+TEST_P(VerificationOperationsTest, EcdsaAllDigestsAndCurves) {
+ auto digests = ValidDigests(true /* withNone */, false /* withMD5 */);
+
+ string message = "1234567890";
+ string corrupt_message = "2234567890";
+ for (auto curve : ValidCurves()) {
+ ErrorCode error = GenerateKey(AuthorizationSetBuilder()
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .EcdsaSigningKey(curve)
+ .Digest(digests));
+ EXPECT_EQ(ErrorCode::OK, error) << "Failed to generate key for EC curve " << curve;
+ if (error != ErrorCode::OK) {
+ continue;
+ }
+
+ for (auto digest : digests) {
+ string signature = SignMessage(message, AuthorizationSetBuilder().Digest(digest));
+ VerifyMessage(message, signature, AuthorizationSetBuilder().Digest(digest));
+
+ /* TODO(seleneh) add exportkey tests back later when we have decided on
+ * the new api.
+
+ // Verify with OpenSSL
+ if (digest != Digest::NONE) {
+ vector<uint8_t> pubkey;
+ ASSERT_EQ(ErrorCode::OK, ExportKey(KeyFormat::X509, &pubkey))
+ << curve << ' ' << digest;
+
+ const uint8_t* p = pubkey.data();
+ EVP_PKEY_Ptr pkey(d2i_PUBKEY(nullptr, &p, pubkey.size()));
+ ASSERT_TRUE(pkey.get());
+
+ EVP_MD_CTX digest_ctx;
+ EVP_MD_CTX_init(&digest_ctx);
+ EVP_PKEY_CTX* pkey_ctx;
+ const EVP_MD* md = openssl_digest(digest);
+
+ EXPECT_EQ(1, EVP_DigestVerifyInit(&digest_ctx, &pkey_ctx, md,
+ nullptr, pkey.get()))
+ << curve << ' ' << digest;
+
+ EXPECT_EQ(1, EVP_DigestVerifyUpdate(&digest_ctx, message.data(),
+ message.size()))
+ << curve << ' ' << digest;
+
+ EXPECT_EQ(1,
+ EVP_DigestVerifyFinal(&digest_ctx,
+ reinterpret_cast<const
+ uint8_t*>(signature.data()), signature.size()))
+ << curve << ' ' << digest;
+
+ EVP_MD_CTX_cleanup(&digest_ctx);
+ }
+ */
+ // Corrupt signature shouldn't verify.
+ string corrupt_signature(signature);
+ ++corrupt_signature[corrupt_signature.size() / 2];
+
+ EXPECT_EQ(ErrorCode::OK,
+ Begin(KeyPurpose::VERIFY, AuthorizationSetBuilder().Digest(digest)))
+ << curve << ' ' << digest;
+
+ string result;
+ EXPECT_EQ(ErrorCode::VERIFICATION_FAILED, Finish(message, corrupt_signature, &result))
+ << curve << ' ' << digest;
+
+ // Corrupt message shouldn't verify
+ EXPECT_EQ(ErrorCode::OK,
+ Begin(KeyPurpose::VERIFY, AuthorizationSetBuilder().Digest(digest)))
+ << curve << ' ' << digest;
+
+ EXPECT_EQ(ErrorCode::VERIFICATION_FAILED, Finish(corrupt_message, signature, &result))
+ << curve << ' ' << digest;
+ }
+
+ auto rc = DeleteKey();
+ ASSERT_TRUE(rc == ErrorCode::OK || rc == ErrorCode::UNIMPLEMENTED);
+ }
+}
+
+/*
+ * VerificationOperationsTest.HmacSigningKeyCannotVerify
+ *
+ * Verifies HMAC signing and verification, but that a signing key cannot be used to verify.
+ */
+TEST_P(VerificationOperationsTest, HmacSigningKeyCannotVerify) {
+ string key_material = "HelloThisIsAKey";
+
+ vector<uint8_t> signing_key, verification_key;
+ KeyCharacteristics signing_key_chars, verification_key_chars;
+ EXPECT_EQ(ErrorCode::OK,
+ ImportKey(AuthorizationSetBuilder()
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .Authorization(TAG_ALGORITHM, Algorithm::HMAC)
+ .Authorization(TAG_PURPOSE, KeyPurpose::SIGN)
+ .Digest(Digest::SHA_2_256)
+ .Authorization(TAG_MIN_MAC_LENGTH, 160),
+ KeyFormat::RAW, key_material, &signing_key, &signing_key_chars));
+ EXPECT_EQ(ErrorCode::OK,
+ ImportKey(AuthorizationSetBuilder()
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .Authorization(TAG_ALGORITHM, Algorithm::HMAC)
+ .Authorization(TAG_PURPOSE, KeyPurpose::VERIFY)
+ .Digest(Digest::SHA_2_256)
+ .Authorization(TAG_MIN_MAC_LENGTH, 160),
+ KeyFormat::RAW, key_material, &verification_key, &verification_key_chars));
+
+ string message = "This is a message.";
+ string signature = SignMessage(
+ signing_key, message,
+ AuthorizationSetBuilder().Digest(Digest::SHA_2_256).Authorization(TAG_MAC_LENGTH, 160));
+
+ // Signing key should not work.
+ AuthorizationSet out_params;
+ EXPECT_EQ(ErrorCode::INCOMPATIBLE_PURPOSE,
+ Begin(KeyPurpose::VERIFY, signing_key,
+ AuthorizationSetBuilder().Digest(Digest::SHA_2_256), &out_params));
+
+ // Verification key should work.
+ VerifyMessage(verification_key, message, signature,
+ AuthorizationSetBuilder().Digest(Digest::SHA_2_256));
+
+ CheckedDeleteKey(&signing_key);
+ CheckedDeleteKey(&verification_key);
+}
+
+INSTANTIATE_KEYMINT_AIDL_TEST(VerificationOperationsTest);
+
+typedef KeyMintAidlTestBase ExportKeyTest;
+
+/*
+ * ExportKeyTest.RsaUnsupportedKeyFormat
+ *
+ * Verifies that attempting to export RSA keys in PKCS#8 format fails with the correct error.
+ */
+// TODO(seleneh) add ExportKey to GenerateKey
+// check result
+
+class ImportKeyTest : public KeyMintAidlTestBase {
+ public:
+ template <TagType tag_type, Tag tag, typename ValueT>
+ void CheckCryptoParam(TypedTag<tag_type, tag> ttag, ValueT expected) {
+ SCOPED_TRACE("CheckCryptoParam");
+ if (IsSecure()) {
+ EXPECT_TRUE(contains(key_characteristics_.hardwareEnforced, ttag, expected))
+ << "Tag " << tag << " with value " << expected << " not found";
+ EXPECT_FALSE(contains(key_characteristics_.softwareEnforced, ttag))
+ << "Tag " << tag << " found";
+ } else {
+ EXPECT_TRUE(contains(key_characteristics_.softwareEnforced, ttag, expected))
+ << "Tag " << tag << " with value " << expected << " not found";
+ EXPECT_FALSE(contains(key_characteristics_.hardwareEnforced, ttag))
+ << "Tag " << tag << " found";
+ }
+ }
+
+ void CheckOrigin() {
+ SCOPED_TRACE("CheckOrigin");
+ if (IsSecure()) {
+ EXPECT_TRUE(contains(key_characteristics_.hardwareEnforced, TAG_ORIGIN,
+ KeyOrigin::IMPORTED));
+ } else {
+ EXPECT_TRUE(contains(key_characteristics_.softwareEnforced, TAG_ORIGIN,
+ KeyOrigin::IMPORTED));
+ }
+ }
+};
+
+/*
+ * ImportKeyTest.RsaSuccess
+ *
+ * Verifies that importing and using an RSA key pair works correctly.
+ */
+TEST_P(ImportKeyTest, RsaSuccess) {
+ ASSERT_EQ(ErrorCode::OK, ImportKey(AuthorizationSetBuilder()
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .RsaSigningKey(1024, 65537)
+ .Digest(Digest::SHA_2_256)
+ .Padding(PaddingMode::RSA_PSS),
+ KeyFormat::PKCS8, rsa_key));
+
+ CheckCryptoParam(TAG_ALGORITHM, Algorithm::RSA);
+ CheckCryptoParam(TAG_KEY_SIZE, 1024U);
+ CheckCryptoParam(TAG_RSA_PUBLIC_EXPONENT, 65537U);
+ CheckCryptoParam(TAG_DIGEST, Digest::SHA_2_256);
+ CheckCryptoParam(TAG_PADDING, PaddingMode::RSA_PSS);
+ CheckOrigin();
+
+ string message(1024 / 8, 'a');
+ auto params = AuthorizationSetBuilder().Digest(Digest::SHA_2_256).Padding(PaddingMode::RSA_PSS);
+ string signature = SignMessage(message, params);
+ VerifyMessage(message, signature, params);
+}
+
+/*
+ * ImportKeyTest.RsaKeySizeMismatch
+ *
+ * Verifies that importing an RSA key pair with a size that doesn't match the key fails in the
+ * correct way.
+ */
+TEST_P(ImportKeyTest, RsaKeySizeMismatch) {
+ ASSERT_EQ(ErrorCode::IMPORT_PARAMETER_MISMATCH,
+ ImportKey(AuthorizationSetBuilder()
+ .RsaSigningKey(2048 /* Doesn't match key */, 65537)
+ .Digest(Digest::NONE)
+ .Padding(PaddingMode::NONE),
+ KeyFormat::PKCS8, rsa_key));
+}
+
+/*
+ * ImportKeyTest.RsaPublicExponentMismatch
+ *
+ * Verifies that importing an RSA key pair with a public exponent that doesn't match the key
+ * fails in the correct way.
+ */
+TEST_P(ImportKeyTest, RsaPublicExponentMismatch) {
+ ASSERT_EQ(ErrorCode::IMPORT_PARAMETER_MISMATCH,
+ ImportKey(AuthorizationSetBuilder()
+ .RsaSigningKey(1024, 3 /* Doesn't match key */)
+ .Digest(Digest::NONE)
+ .Padding(PaddingMode::NONE),
+ KeyFormat::PKCS8, rsa_key));
+}
+
+/*
+ * ImportKeyTest.EcdsaSuccess
+ *
+ * Verifies that importing and using an ECDSA P-256 key pair works correctly.
+ */
+TEST_P(ImportKeyTest, EcdsaSuccess) {
+ ASSERT_EQ(ErrorCode::OK, ImportKey(AuthorizationSetBuilder()
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .EcdsaSigningKey(256)
+ .Digest(Digest::SHA_2_256),
+ KeyFormat::PKCS8, ec_256_key));
+
+ CheckCryptoParam(TAG_ALGORITHM, Algorithm::EC);
+ CheckCryptoParam(TAG_KEY_SIZE, 256U);
+ CheckCryptoParam(TAG_DIGEST, Digest::SHA_2_256);
+ CheckCryptoParam(TAG_EC_CURVE, EcCurve::P_256);
+
+ CheckOrigin();
+
+ string message(32, 'a');
+ auto params = AuthorizationSetBuilder().Digest(Digest::SHA_2_256);
+ string signature = SignMessage(message, params);
+ VerifyMessage(message, signature, params);
+}
+
+/*
+ * ImportKeyTest.EcdsaP256RFC5915Success
+ *
+ * Verifies that importing and using an ECDSA P-256 key pair encoded using RFC5915 works
+ * correctly.
+ */
+TEST_P(ImportKeyTest, EcdsaP256RFC5915Success) {
+ ASSERT_EQ(ErrorCode::OK, ImportKey(AuthorizationSetBuilder()
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .EcdsaSigningKey(256)
+ .Digest(Digest::SHA_2_256),
+ KeyFormat::PKCS8, ec_256_key_rfc5915));
+
+ CheckCryptoParam(TAG_ALGORITHM, Algorithm::EC);
+ CheckCryptoParam(TAG_KEY_SIZE, 256U);
+ CheckCryptoParam(TAG_DIGEST, Digest::SHA_2_256);
+ CheckCryptoParam(TAG_EC_CURVE, EcCurve::P_256);
+
+ CheckOrigin();
+
+ string message(32, 'a');
+ auto params = AuthorizationSetBuilder().Digest(Digest::SHA_2_256);
+ string signature = SignMessage(message, params);
+ VerifyMessage(message, signature, params);
+}
+
+/*
+ * ImportKeyTest.EcdsaP256SEC1Success
+ *
+ * Verifies that importing and using an ECDSA P-256 key pair encoded using SEC1 works correctly.
+ */
+TEST_P(ImportKeyTest, EcdsaP256SEC1Success) {
+ ASSERT_EQ(ErrorCode::OK, ImportKey(AuthorizationSetBuilder()
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .EcdsaSigningKey(256)
+ .Digest(Digest::SHA_2_256),
+ KeyFormat::PKCS8, ec_256_key_sec1));
+
+ CheckCryptoParam(TAG_ALGORITHM, Algorithm::EC);
+ CheckCryptoParam(TAG_KEY_SIZE, 256U);
+ CheckCryptoParam(TAG_DIGEST, Digest::SHA_2_256);
+ CheckCryptoParam(TAG_EC_CURVE, EcCurve::P_256);
+
+ CheckOrigin();
+
+ string message(32, 'a');
+ auto params = AuthorizationSetBuilder().Digest(Digest::SHA_2_256);
+ string signature = SignMessage(message, params);
+ VerifyMessage(message, signature, params);
+}
+
+/*
+ * ImportKeyTest.Ecdsa521Success
+ *
+ * Verifies that importing and using an ECDSA P-521 key pair works correctly.
+ */
+TEST_P(ImportKeyTest, Ecdsa521Success) {
+ if (SecLevel() == SecurityLevel::STRONGBOX) return;
+ ASSERT_EQ(ErrorCode::OK, ImportKey(AuthorizationSetBuilder()
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .EcdsaSigningKey(521)
+ .Digest(Digest::SHA_2_256),
+ KeyFormat::PKCS8, ec_521_key));
+
+ CheckCryptoParam(TAG_ALGORITHM, Algorithm::EC);
+ CheckCryptoParam(TAG_KEY_SIZE, 521U);
+ CheckCryptoParam(TAG_DIGEST, Digest::SHA_2_256);
+ CheckCryptoParam(TAG_EC_CURVE, EcCurve::P_521);
+ CheckOrigin();
+
+ string message(32, 'a');
+ auto params = AuthorizationSetBuilder().Digest(Digest::SHA_2_256);
+ string signature = SignMessage(message, params);
+ VerifyMessage(message, signature, params);
+}
+
+/*
+ * ImportKeyTest.EcdsaSizeMismatch
+ *
+ * Verifies that importing an ECDSA key pair with a size that doesn't match the key fails in the
+ * correct way.
+ */
+TEST_P(ImportKeyTest, EcdsaSizeMismatch) {
+ ASSERT_EQ(ErrorCode::IMPORT_PARAMETER_MISMATCH,
+ ImportKey(AuthorizationSetBuilder()
+ .EcdsaSigningKey(224 /* Doesn't match key */)
+ .Digest(Digest::NONE),
+ KeyFormat::PKCS8, ec_256_key));
+}
+
+/*
+ * ImportKeyTest.EcdsaCurveMismatch
+ *
+ * Verifies that importing an ECDSA key pair with a curve that doesn't match the key fails in
+ * the correct way.
+ */
+TEST_P(ImportKeyTest, EcdsaCurveMismatch) {
+ ASSERT_EQ(ErrorCode::IMPORT_PARAMETER_MISMATCH,
+ ImportKey(AuthorizationSetBuilder()
+ .EcdsaSigningKey(EcCurve::P_224 /* Doesn't match key */)
+ .Digest(Digest::NONE),
+ KeyFormat::PKCS8, ec_256_key));
+}
+
+/*
+ * ImportKeyTest.AesSuccess
+ *
+ * Verifies that importing and using an AES key works.
+ */
+TEST_P(ImportKeyTest, AesSuccess) {
+ string key = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
+ ASSERT_EQ(ErrorCode::OK, ImportKey(AuthorizationSetBuilder()
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .AesEncryptionKey(key.size() * 8)
+ .EcbMode()
+ .Padding(PaddingMode::PKCS7),
+ KeyFormat::RAW, key));
+
+ CheckCryptoParam(TAG_ALGORITHM, Algorithm::AES);
+ CheckCryptoParam(TAG_KEY_SIZE, 128U);
+ CheckCryptoParam(TAG_PADDING, PaddingMode::PKCS7);
+ CheckCryptoParam(TAG_BLOCK_MODE, BlockMode::ECB);
+ CheckOrigin();
+
+ string message = "Hello World!";
+ auto params = AuthorizationSetBuilder().BlockMode(BlockMode::ECB).Padding(PaddingMode::PKCS7);
+ string ciphertext = EncryptMessage(message, params);
+ string plaintext = DecryptMessage(ciphertext, params);
+ EXPECT_EQ(message, plaintext);
+}
+
+/*
+ * ImportKeyTest.AesSuccess
+ *
+ * Verifies that importing and using an HMAC key works.
+ */
+TEST_P(ImportKeyTest, HmacKeySuccess) {
+ string key = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
+ ASSERT_EQ(ErrorCode::OK, ImportKey(AuthorizationSetBuilder()
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .HmacKey(key.size() * 8)
+ .Digest(Digest::SHA_2_256)
+ .Authorization(TAG_MIN_MAC_LENGTH, 256),
+ KeyFormat::RAW, key));
+
+ CheckCryptoParam(TAG_ALGORITHM, Algorithm::HMAC);
+ CheckCryptoParam(TAG_KEY_SIZE, 128U);
+ CheckCryptoParam(TAG_DIGEST, Digest::SHA_2_256);
+ CheckOrigin();
+
+ string message = "Hello World!";
+ string signature = MacMessage(message, Digest::SHA_2_256, 256);
+ VerifyMessage(message, signature, AuthorizationSetBuilder().Digest(Digest::SHA_2_256));
+}
+
+INSTANTIATE_KEYMINT_AIDL_TEST(ImportKeyTest);
+
+auto wrapped_key = hex2str(
+ "3082017902010004820100934bf94e2aa28a3f83c9f79297250262fbe3276b5a1c91159bbfa3ef8957aac8"
+ "4b59b30b455a79c2973480823d8b3863c3deef4a8e243590268d80e18751a0e130f67ce6a1ace9f79b95e0"
+ "97474febc981195b1d13a69086c0863f66a7b7fdb48792227b1ac5e2489febdf087ab5486483033a6f001c"
+ "a5d1ec1e27f5c30f4cec2642074a39ae68aee552e196627a8e3d867e67a8c01b11e75f13cca0a97ab668b5"
+ "0cda07a8ecb7cd8e3dd7009c9636534f6f239cffe1fc8daa466f78b676c7119efb96bce4e69ca2a25d0b34"
+ "ed9c3ff999b801597d5220e307eaa5bee507fb94d1fa69f9e519b2de315bac92c36f2ea1fa1df4478c0dde"
+ "deae8c70e0233cd098040cd796b02c370f1fa4cc0124f1302e0201033029a1083106020100020101a20302"
+ "0120a30402020100a4053103020101a6053103020140bf83770205000420ccd540855f833a5e1480bfd2d3"
+ "6faf3aeee15df5beabe2691bc82dde2a7aa910041064c9f689c60ff6223ab6e6999e0eb6e5");
+
+auto wrapped_key_masked = hex2str(
+ "3082017902010004820100aad93ed5924f283b4bb5526fbe7a1412f9d9749ec30db9062b29e574a8546f33"
+ "c88732452f5b8e6a391ee76c39ed1712c61d8df6213dec1cffbc17a8c6d04c7b30893d8daa9b2015213e21"
+ "946821553207f8f9931c4caba23ed3bee28b36947e47f10e0a5c3dc51c988a628daad3e5e1f4005e79c2d5"
+ "a96c284b4b8d7e4948f331e5b85dd5a236f85579f3ea1d1b848487470bdb0ab4f81a12bee42c99fe0df4be"
+ "e3759453e69ad1d68a809ce06b949f7694a990429b2fe81e066ff43e56a21602db70757922a4bcc23ab89f"
+ "1e35da77586775f423e519c2ea394caf48a28d0c8020f1dcf6b3a68ec246f615ae96dae9a079b1f6eb9590"
+ "33c1af5c125fd94168040c6d9721d08589581ab49204a3302e0201033029a1083106020100020101a20302"
+ "0120a30402020100a4053103020101a6053103020140bf83770205000420a61c6e247e25b3e6e69aa78eb0"
+ "3c2d4ac20d1f99a9a024a76f35c8e2cab9b68d04102560c70109ae67c030f00b98b512a670");
+
+auto wrapping_key = hex2str(
+ "308204be020100300d06092a864886f70d0101010500048204a8308204a40201000282010100aec367931d"
+ "8900ce56b0067f7d70e1fc653f3f34d194c1fed50018fb43db937b06e673a837313d56b1c725150a3fef86"
+ "acbddc41bb759c2854eae32d35841efb5c18d82bc90a1cb5c1d55adf245b02911f0b7cda88c421ff0ebafe"
+ "7c0d23be312d7bd5921ffaea1347c157406fef718f682643e4e5d33c6703d61c0cf7ac0bf4645c11f5c137"
+ "4c3886427411c449796792e0bef75dec858a2123c36753e02a95a96d7c454b504de385a642e0dfc3e60ac3"
+ "a7ee4991d0d48b0172a95f9536f02ba13cecccb92b727db5c27e5b2f5cec09600b286af5cf14c42024c61d"
+ "dfe71c2a8d7458f185234cb00e01d282f10f8fc6721d2aed3f4833cca2bd8fa62821dd5502030100010282"
+ "0100431447b6251908112b1ee76f99f3711a52b6630960046c2de70de188d833f8b8b91e4d785caeeeaf4f"
+ "0f74414e2cda40641f7fe24f14c67a88959bdb27766df9e710b630a03adc683b5d2c43080e52bee71e9eae"
+ "b6de297a5fea1072070d181c822bccff087d63c940ba8a45f670feb29fb4484d1c95e6d2579ba02aae0a00"
+ "900c3ebf490e3d2cd7ee8d0e20c536e4dc5a5097272888cddd7e91f228b1c4d7474c55b8fcd618c4a957bb"
+ "ddd5ad7407cc312d8d98a5caf7e08f4a0d6b45bb41c652659d5a5ba05b663737a8696281865ba20fbdd7f8"
+ "51e6c56e8cbe0ddbbf24dc03b2d2cb4c3d540fb0af52e034a2d06698b128e5f101e3b51a34f8d8b4f86181"
+ "02818100de392e18d682c829266cc3454e1d6166242f32d9a1d10577753e904ea7d08bff841be5bac82a16"
+ "4c5970007047b8c517db8f8f84e37bd5988561bdf503d4dc2bdb38f885434ae42c355f725c9a60f91f0788"
+ "e1f1a97223b524b5357fdf72e2f696bab7d78e32bf92ba8e1864eab1229e91346130748a6e3c124f9149d7"
+ "1c743502818100c95387c0f9d35f137b57d0d65c397c5e21cc251e47008ed62a542409c8b6b6ac7f8967b3"
+ "863ca645fcce49582a9aa17349db6c4a95affdae0dae612e1afac99ed39a2d934c880440aed8832f984316"
+ "3a47f27f392199dc1202f9a0f9bd08308007cb1e4e7f58309366a7de25f7c3c9b880677c068e1be936e812"
+ "88815252a8a102818057ff8ca1895080b2cae486ef0adfd791fb0235c0b8b36cd6c136e52e4085f4ea5a06"
+ "3212a4f105a3764743e53281988aba073f6e0027298e1c4378556e0efca0e14ece1af76ad0b030f27af6f0"
+ "ab35fb73a060d8b1a0e142fa2647e93b32e36d8282ae0a4de50ab7afe85500a16f43a64719d6e2b9439823"
+ "719cd08bcd03178102818100ba73b0bb28e3f81e9bd1c568713b101241acc607976c4ddccc90e65b6556ca"
+ "31516058f92b6e09f3b160ff0e374ec40d78ae4d4979fde6ac06a1a400c61dd31254186af30b22c10582a8"
+ "a43e34fe949c5f3b9755bae7baa7b7b7a6bd03b38cef55c86885fc6c1978b9cee7ef33da507c9df6b9277c"
+ "ff1e6aaa5d57aca528466102818100c931617c77829dfb1270502be9195c8f2830885f57dba869536811e6"
+ "864236d0c4736a0008a145af36b8357a7c3d139966d04c4e00934ea1aede3bb6b8ec841dc95e3f579751e2"
+ "bfdfe27ae778983f959356210723287b0affcc9f727044d48c373f1babde0724fa17a4fd4da0902c7c9b9b"
+ "f27ba61be6ad02dfddda8f4e6822");
+
+string zero_masking_key =
+ hex2str("0000000000000000000000000000000000000000000000000000000000000000");
+string masking_key = hex2str("D796B02C370F1FA4CC0124F14EC8CBEBE987E825246265050F399A51FD477DFC");
+
+class ImportWrappedKeyTest : public KeyMintAidlTestBase {};
+
+TEST_P(ImportWrappedKeyTest, Success) {
+ auto wrapping_key_desc = AuthorizationSetBuilder()
+ .RsaEncryptionKey(2048, 65537)
+ .Digest(Digest::SHA_2_256)
+ .Padding(PaddingMode::RSA_OAEP)
+ .Authorization(TAG_PURPOSE, KeyPurpose::WRAP_KEY);
+
+ ASSERT_EQ(ErrorCode::OK,
+ ImportWrappedKey(wrapped_key, wrapping_key, wrapping_key_desc, zero_masking_key,
+ AuthorizationSetBuilder()
+ .Digest(Digest::SHA_2_256)
+ .Padding(PaddingMode::RSA_OAEP)));
+
+ string message = "Hello World!";
+ auto params = AuthorizationSetBuilder().BlockMode(BlockMode::ECB).Padding(PaddingMode::PKCS7);
+ string ciphertext = EncryptMessage(message, params);
+ string plaintext = DecryptMessage(ciphertext, params);
+ EXPECT_EQ(message, plaintext);
+}
+
+TEST_P(ImportWrappedKeyTest, SuccessMasked) {
+ auto wrapping_key_desc = AuthorizationSetBuilder()
+ .RsaEncryptionKey(2048, 65537)
+ .Digest(Digest::SHA_2_256)
+ .Padding(PaddingMode::RSA_OAEP)
+ .Authorization(TAG_PURPOSE, KeyPurpose::WRAP_KEY);
+
+ ASSERT_EQ(ErrorCode::OK,
+ ImportWrappedKey(wrapped_key_masked, wrapping_key, wrapping_key_desc, masking_key,
+ AuthorizationSetBuilder()
+ .Digest(Digest::SHA_2_256)
+ .Padding(PaddingMode::RSA_OAEP)));
+}
+
+TEST_P(ImportWrappedKeyTest, WrongMask) {
+ auto wrapping_key_desc = AuthorizationSetBuilder()
+ .RsaEncryptionKey(2048, 65537)
+ .Digest(Digest::SHA_2_256)
+ .Padding(PaddingMode::RSA_OAEP)
+ .Authorization(TAG_PURPOSE, KeyPurpose::WRAP_KEY);
+
+ ASSERT_EQ(
+ ErrorCode::VERIFICATION_FAILED,
+ ImportWrappedKey(wrapped_key_masked, wrapping_key, wrapping_key_desc, zero_masking_key,
+ AuthorizationSetBuilder()
+ .Digest(Digest::SHA_2_256)
+ .Padding(PaddingMode::RSA_OAEP)));
+}
+
+TEST_P(ImportWrappedKeyTest, WrongPurpose) {
+ auto wrapping_key_desc = AuthorizationSetBuilder()
+ .RsaEncryptionKey(2048, 65537)
+ .Digest(Digest::SHA_2_256)
+ .Padding(PaddingMode::RSA_OAEP);
+
+ ASSERT_EQ(
+ ErrorCode::INCOMPATIBLE_PURPOSE,
+ ImportWrappedKey(wrapped_key_masked, wrapping_key, wrapping_key_desc, zero_masking_key,
+ AuthorizationSetBuilder()
+ .Digest(Digest::SHA_2_256)
+ .Padding(PaddingMode::RSA_OAEP)));
+}
+
+INSTANTIATE_KEYMINT_AIDL_TEST(ImportWrappedKeyTest);
+
+typedef KeyMintAidlTestBase EncryptionOperationsTest;
+
+/*
+ * EncryptionOperationsTest.RsaNoPaddingSuccess
+ *
+ * Verifies that raw RSA encryption works.
+ */
+TEST_P(EncryptionOperationsTest, RsaNoPaddingSuccess) {
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .RsaEncryptionKey(2048, 65537)
+ .Padding(PaddingMode::NONE)));
+
+ string message = string(2048 / 8, 'a');
+ auto params = AuthorizationSetBuilder().Padding(PaddingMode::NONE);
+ string ciphertext1 = EncryptMessage(message, params);
+ EXPECT_EQ(2048U / 8, ciphertext1.size());
+
+ string ciphertext2 = EncryptMessage(message, params);
+ EXPECT_EQ(2048U / 8, ciphertext2.size());
+
+ // Unpadded RSA is deterministic
+ EXPECT_EQ(ciphertext1, ciphertext2);
+}
+
+/*
+ * EncryptionOperationsTest.RsaNoPaddingShortMessage
+ *
+ * Verifies that raw RSA encryption of short messages works.
+ */
+TEST_P(EncryptionOperationsTest, RsaNoPaddingShortMessage) {
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .RsaEncryptionKey(2048, 65537)
+ .Padding(PaddingMode::NONE)));
+
+ string message = "1";
+ auto params = AuthorizationSetBuilder().Padding(PaddingMode::NONE);
+
+ string ciphertext = EncryptMessage(message, params);
+ EXPECT_EQ(2048U / 8, ciphertext.size());
+
+ string expected_plaintext = string(2048U / 8 - 1, 0) + message;
+ string plaintext = DecryptMessage(ciphertext, params);
+
+ EXPECT_EQ(expected_plaintext, plaintext);
+
+ // Degenerate case, encrypting a numeric 1 yields 0x00..01 as the ciphertext.
+ message = static_cast<char>(1);
+ ciphertext = EncryptMessage(message, params);
+ EXPECT_EQ(2048U / 8, ciphertext.size());
+ EXPECT_EQ(ciphertext, string(2048U / 8 - 1, 0) + message);
+}
+
+/*
+ * EncryptionOperationsTest.RsaNoPaddingTooLong
+ *
+ * Verifies that raw RSA encryption of too-long messages fails in the expected way.
+ */
+TEST_P(EncryptionOperationsTest, RsaNoPaddingTooLong) {
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .RsaEncryptionKey(2048, 65537)
+ .Padding(PaddingMode::NONE)));
+
+ string message(2048 / 8 + 1, 'a');
+
+ auto params = AuthorizationSetBuilder().Padding(PaddingMode::NONE);
+ EXPECT_EQ(ErrorCode::OK, Begin(KeyPurpose::ENCRYPT, params));
+
+ string result;
+ EXPECT_EQ(ErrorCode::INVALID_INPUT_LENGTH, Finish(message, &result));
+}
+
+/*
+ * EncryptionOperationsTest.RsaNoPaddingTooLarge
+ *
+ * Verifies that raw RSA encryption of too-large (numerically) messages fails in the expected
+ * way.
+ */
+// TODO(seleneh) add RsaNoPaddingTooLarge test back after decided and implemented new
+// version of ExportKey inside generateKey
+
+/*
+ * EncryptionOperationsTest.RsaOaepSuccess
+ *
+ * Verifies that RSA-OAEP encryption operations work, with all digests.
+ */
+TEST_P(EncryptionOperationsTest, RsaOaepSuccess) {
+ auto digests = ValidDigests(false /* withNone */, true /* withMD5 */);
+
+ size_t key_size = 2048; // Need largish key for SHA-512 test.
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .RsaEncryptionKey(key_size, 65537)
+ .Padding(PaddingMode::RSA_OAEP)
+ .Digest(digests)));
+
+ string message = "Hello";
+
+ for (auto digest : digests) {
+ auto params = AuthorizationSetBuilder().Digest(digest).Padding(PaddingMode::RSA_OAEP);
+ string ciphertext1 = EncryptMessage(message, params);
+ if (HasNonfatalFailure()) std::cout << "-->" << digest << std::endl;
+ EXPECT_EQ(key_size / 8, ciphertext1.size());
+
+ string ciphertext2 = EncryptMessage(message, params);
+ EXPECT_EQ(key_size / 8, ciphertext2.size());
+
+ // OAEP randomizes padding so every result should be different (with astronomically high
+ // probability).
+ EXPECT_NE(ciphertext1, ciphertext2);
+
+ string plaintext1 = DecryptMessage(ciphertext1, params);
+ EXPECT_EQ(message, plaintext1) << "RSA-OAEP failed with digest " << digest;
+ string plaintext2 = DecryptMessage(ciphertext2, params);
+ EXPECT_EQ(message, plaintext2) << "RSA-OAEP failed with digest " << digest;
+
+ // Decrypting corrupted ciphertext should fail.
+ size_t offset_to_corrupt = random() % ciphertext1.size();
+ char corrupt_byte;
+ do {
+ corrupt_byte = static_cast<char>(random() % 256);
+ } while (corrupt_byte == ciphertext1[offset_to_corrupt]);
+ ciphertext1[offset_to_corrupt] = corrupt_byte;
+
+ EXPECT_EQ(ErrorCode::OK, Begin(KeyPurpose::DECRYPT, params));
+ string result;
+ EXPECT_EQ(ErrorCode::UNKNOWN_ERROR, Finish(ciphertext1, &result));
+ EXPECT_EQ(0U, result.size());
+ }
+}
+
+/*
+ * EncryptionOperationsTest.RsaOaepInvalidDigest
+ *
+ * Verifies that RSA-OAEP encryption operations fail in the correct way when asked to operate
+ * without a digest.
+ */
+TEST_P(EncryptionOperationsTest, RsaOaepInvalidDigest) {
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .RsaEncryptionKey(2048, 65537)
+ .Padding(PaddingMode::RSA_OAEP)
+ .Digest(Digest::NONE)));
+ string message = "Hello World!";
+
+ auto params = AuthorizationSetBuilder().Padding(PaddingMode::RSA_OAEP).Digest(Digest::NONE);
+ EXPECT_EQ(ErrorCode::INCOMPATIBLE_DIGEST, Begin(KeyPurpose::ENCRYPT, params));
+}
+
+/*
+ * EncryptionOperationsTest.RsaOaepInvalidDigest
+ *
+ * Verifies that RSA-OAEP encryption operations fail in the correct way when asked to decrypt
+ * with a different digest than was used to encrypt.
+ */
+TEST_P(EncryptionOperationsTest, RsaOaepDecryptWithWrongDigest) {
+ if (SecLevel() == SecurityLevel::STRONGBOX) return;
+
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .RsaEncryptionKey(1024, 65537)
+ .Padding(PaddingMode::RSA_OAEP)
+ .Digest(Digest::SHA_2_224, Digest::SHA_2_256)));
+ string message = "Hello World!";
+ string ciphertext = EncryptMessage(
+ message,
+ AuthorizationSetBuilder().Digest(Digest::SHA_2_224).Padding(PaddingMode::RSA_OAEP));
+
+ EXPECT_EQ(ErrorCode::OK, Begin(KeyPurpose::DECRYPT, AuthorizationSetBuilder()
+ .Digest(Digest::SHA_2_256)
+ .Padding(PaddingMode::RSA_OAEP)));
+ string result;
+ EXPECT_EQ(ErrorCode::UNKNOWN_ERROR, Finish(ciphertext, &result));
+ EXPECT_EQ(0U, result.size());
+}
+
+/*
+ * EncryptionOperationsTest.RsaOaepTooLarge
+ *
+ * Verifies that RSA-OAEP encryption operations fail in the correct way when asked to encrypt a
+ * too-large message.
+ */
+TEST_P(EncryptionOperationsTest, RsaOaepTooLarge) {
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .RsaEncryptionKey(2048, 65537)
+ .Padding(PaddingMode::RSA_OAEP)
+ .Digest(Digest::SHA_2_256)));
+ constexpr size_t digest_size = 256 /* SHA_2_256 */ / 8;
+ constexpr size_t oaep_overhead = 2 * digest_size + 2;
+ string message(2048 / 8 - oaep_overhead + 1, 'a');
+ EXPECT_EQ(ErrorCode::OK, Begin(KeyPurpose::ENCRYPT, AuthorizationSetBuilder()
+ .Padding(PaddingMode::RSA_OAEP)
+ .Digest(Digest::SHA_2_256)));
+ string result;
+ ErrorCode error = Finish(message, &result);
+ EXPECT_TRUE(error == ErrorCode::INVALID_INPUT_LENGTH || error == ErrorCode::INVALID_ARGUMENT);
+ EXPECT_EQ(0U, result.size());
+}
+
+/*
+ * EncryptionOperationsTest.RsaPkcs1Success
+ *
+ * Verifies that RSA PKCS encryption/decrypts works.
+ */
+TEST_P(EncryptionOperationsTest, RsaPkcs1Success) {
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .RsaEncryptionKey(2048, 65537)
+ .Padding(PaddingMode::RSA_PKCS1_1_5_ENCRYPT)));
+
+ string message = "Hello World!";
+ auto params = AuthorizationSetBuilder().Padding(PaddingMode::RSA_PKCS1_1_5_ENCRYPT);
+ string ciphertext1 = EncryptMessage(message, params);
+ EXPECT_EQ(2048U / 8, ciphertext1.size());
+
+ string ciphertext2 = EncryptMessage(message, params);
+ EXPECT_EQ(2048U / 8, ciphertext2.size());
+
+ // PKCS1 v1.5 randomizes padding so every result should be different.
+ EXPECT_NE(ciphertext1, ciphertext2);
+
+ string plaintext = DecryptMessage(ciphertext1, params);
+ EXPECT_EQ(message, plaintext);
+
+ // Decrypting corrupted ciphertext should fail.
+ size_t offset_to_corrupt = random() % ciphertext1.size();
+ char corrupt_byte;
+ do {
+ corrupt_byte = static_cast<char>(random() % 256);
+ } while (corrupt_byte == ciphertext1[offset_to_corrupt]);
+ ciphertext1[offset_to_corrupt] = corrupt_byte;
+
+ EXPECT_EQ(ErrorCode::OK, Begin(KeyPurpose::DECRYPT, params));
+ string result;
+ EXPECT_EQ(ErrorCode::UNKNOWN_ERROR, Finish(ciphertext1, &result));
+ EXPECT_EQ(0U, result.size());
+}
+
+/*
+ * EncryptionOperationsTest.RsaPkcs1TooLarge
+ *
+ * Verifies that RSA PKCS encryption fails in the correct way when the mssage is too large.
+ */
+TEST_P(EncryptionOperationsTest, RsaPkcs1TooLarge) {
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .RsaEncryptionKey(2048, 65537)
+ .Padding(PaddingMode::RSA_PKCS1_1_5_ENCRYPT)));
+ string message(2048 / 8 - 10, 'a');
+
+ auto params = AuthorizationSetBuilder().Padding(PaddingMode::RSA_PKCS1_1_5_ENCRYPT);
+ EXPECT_EQ(ErrorCode::OK, Begin(KeyPurpose::ENCRYPT, params));
+ string result;
+ ErrorCode error = Finish(message, &result);
+ EXPECT_TRUE(error == ErrorCode::INVALID_INPUT_LENGTH || error == ErrorCode::INVALID_ARGUMENT);
+ EXPECT_EQ(0U, result.size());
+}
+
+/*
+ * EncryptionOperationsTest.EcdsaEncrypt
+ *
+ * Verifies that attempting to use ECDSA keys to encrypt fails in the correct way.
+ */
+TEST_P(EncryptionOperationsTest, EcdsaEncrypt) {
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .EcdsaSigningKey(256)
+ .Digest(Digest::NONE)));
+ auto params = AuthorizationSetBuilder().Digest(Digest::NONE);
+ ASSERT_EQ(ErrorCode::UNSUPPORTED_PURPOSE, Begin(KeyPurpose::ENCRYPT, params));
+ ASSERT_EQ(ErrorCode::UNSUPPORTED_PURPOSE, Begin(KeyPurpose::DECRYPT, params));
+}
+
+/*
+ * EncryptionOperationsTest.HmacEncrypt
+ *
+ * Verifies that attempting to use HMAC keys to encrypt fails in the correct way.
+ */
+TEST_P(EncryptionOperationsTest, HmacEncrypt) {
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .HmacKey(128)
+ .Digest(Digest::SHA_2_256)
+ .Padding(PaddingMode::NONE)
+ .Authorization(TAG_MIN_MAC_LENGTH, 128)));
+ auto params = AuthorizationSetBuilder()
+ .Digest(Digest::SHA_2_256)
+ .Padding(PaddingMode::NONE)
+ .Authorization(TAG_MAC_LENGTH, 128);
+ ASSERT_EQ(ErrorCode::UNSUPPORTED_PURPOSE, Begin(KeyPurpose::ENCRYPT, params));
+ ASSERT_EQ(ErrorCode::UNSUPPORTED_PURPOSE, Begin(KeyPurpose::DECRYPT, params));
+}
+
+/*
+ * EncryptionOperationsTest.AesEcbRoundTripSuccess
+ *
+ * Verifies that AES ECB mode works.
+ */
+TEST_P(EncryptionOperationsTest, AesEcbRoundTripSuccess) {
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .AesEncryptionKey(128)
+ .Authorization(TAG_BLOCK_MODE, BlockMode::ECB)
+ .Padding(PaddingMode::NONE)));
+
+ ASSERT_GT(key_blob_.size(), 0U);
+ auto params = AuthorizationSetBuilder().BlockMode(BlockMode::ECB).Padding(PaddingMode::NONE);
+
+ // Two-block message.
+ string message = "12345678901234567890123456789012";
+ string ciphertext1 = EncryptMessage(message, params);
+ EXPECT_EQ(message.size(), ciphertext1.size());
+
+ string ciphertext2 = EncryptMessage(string(message), params);
+ EXPECT_EQ(message.size(), ciphertext2.size());
+
+ // ECB is deterministic.
+ EXPECT_EQ(ciphertext1, ciphertext2);
+
+ string plaintext = DecryptMessage(ciphertext1, params);
+ EXPECT_EQ(message, plaintext);
+}
+
+/*
+ * EncryptionOperationsTest.AesEcbRoundTripSuccess
+ *
+ * Verifies that AES encryption fails in the correct way when an unauthorized mode is specified.
+ */
+TEST_P(EncryptionOperationsTest, AesWrongMode) {
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .AesEncryptionKey(128)
+ .Authorization(TAG_BLOCK_MODE, BlockMode::CBC)
+ .Padding(PaddingMode::NONE)));
+
+ ASSERT_GT(key_blob_.size(), 0U);
+
+ // Two-block message.
+ string message = "12345678901234567890123456789012";
+ EXPECT_EQ(
+ ErrorCode::INCOMPATIBLE_BLOCK_MODE,
+ Begin(KeyPurpose::ENCRYPT,
+ AuthorizationSetBuilder().BlockMode(BlockMode::ECB).Padding(PaddingMode::NONE)));
+}
+
+/*
+ * EncryptionOperationsTest.AesWrongPurpose
+ *
+ * Verifies that AES encryption fails in the correct way when an unauthorized purpose is
+ * specified.
+ */
+TEST_P(EncryptionOperationsTest, AesWrongPurpose) {
+ auto err = GenerateKey(AuthorizationSetBuilder()
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .AesKey(128)
+ .Authorization(TAG_PURPOSE, KeyPurpose::ENCRYPT)
+ .Authorization(TAG_BLOCK_MODE, BlockMode::GCM)
+ .Authorization(TAG_MIN_MAC_LENGTH, 128)
+ .Padding(PaddingMode::NONE));
+ ASSERT_EQ(ErrorCode::OK, err) << "Got " << err;
+ ASSERT_GT(key_blob_.size(), 0U);
+
+ err = Begin(KeyPurpose::DECRYPT, AuthorizationSetBuilder()
+ .BlockMode(BlockMode::GCM)
+ .Padding(PaddingMode::NONE)
+ .Authorization(TAG_MAC_LENGTH, 128));
+ EXPECT_EQ(ErrorCode::INCOMPATIBLE_PURPOSE, err) << "Got " << err;
+
+ CheckedDeleteKey();
+
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .AesKey(128)
+ .Authorization(TAG_PURPOSE, KeyPurpose::DECRYPT)
+ .Authorization(TAG_BLOCK_MODE, BlockMode::GCM)
+ .Authorization(TAG_MIN_MAC_LENGTH, 128)
+ .Padding(PaddingMode::NONE)));
+
+ err = Begin(KeyPurpose::ENCRYPT, AuthorizationSetBuilder()
+ .BlockMode(BlockMode::GCM)
+ .Padding(PaddingMode::NONE)
+ .Authorization(TAG_MAC_LENGTH, 128));
+ EXPECT_EQ(ErrorCode::INCOMPATIBLE_PURPOSE, err) << "Got " << err;
+}
+
+/*
+ * EncryptionOperationsTest.AesEcbNoPaddingWrongInputSize
+ *
+ * Verifies that AES encryption fails in the correct way when provided an input that is not a
+ * multiple of the block size and no padding is specified.
+ */
+TEST_P(EncryptionOperationsTest, AesEcbNoPaddingWrongInputSize) {
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .AesEncryptionKey(128)
+ .Authorization(TAG_BLOCK_MODE, BlockMode::ECB)
+ .Padding(PaddingMode::NONE)));
+ // Message is slightly shorter than two blocks.
+ string message(16 * 2 - 1, 'a');
+
+ auto params = AuthorizationSetBuilder().BlockMode(BlockMode::ECB).Padding(PaddingMode::NONE);
+ EXPECT_EQ(ErrorCode::OK, Begin(KeyPurpose::ENCRYPT, params));
+ string ciphertext;
+ EXPECT_EQ(ErrorCode::INVALID_INPUT_LENGTH, Finish(message, &ciphertext));
+ EXPECT_EQ(0U, ciphertext.size());
+}
+
+/*
+ * EncryptionOperationsTest.AesEcbPkcs7Padding
+ *
+ * Verifies that AES PKCS7 padding works for any message length.
+ */
+TEST_P(EncryptionOperationsTest, AesEcbPkcs7Padding) {
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .AesEncryptionKey(128)
+ .Authorization(TAG_BLOCK_MODE, BlockMode::ECB)
+ .Padding(PaddingMode::PKCS7)));
+
+ auto params = AuthorizationSetBuilder().BlockMode(BlockMode::ECB).Padding(PaddingMode::PKCS7);
+
+ // Try various message lengths; all should work.
+ for (size_t i = 0; i < 32; ++i) {
+ string message(i, 'a');
+ string ciphertext = EncryptMessage(message, params);
+ EXPECT_EQ(i + 16 - (i % 16), ciphertext.size());
+ string plaintext = DecryptMessage(ciphertext, params);
+ EXPECT_EQ(message, plaintext);
+ }
+}
+
+/*
+ * EncryptionOperationsTest.AesEcbWrongPadding
+ *
+ * Verifies that AES enryption fails in the correct way when an unauthorized padding mode is
+ * specified.
+ */
+TEST_P(EncryptionOperationsTest, AesEcbWrongPadding) {
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .AesEncryptionKey(128)
+ .Authorization(TAG_BLOCK_MODE, BlockMode::ECB)
+ .Padding(PaddingMode::NONE)));
+
+ auto params = AuthorizationSetBuilder().BlockMode(BlockMode::ECB).Padding(PaddingMode::PKCS7);
+
+ // Try various message lengths; all should fail
+ for (size_t i = 0; i < 32; ++i) {
+ string message(i, 'a');
+ EXPECT_EQ(ErrorCode::INCOMPATIBLE_PADDING_MODE, Begin(KeyPurpose::ENCRYPT, params));
+ }
+}
+
+/*
+ * EncryptionOperationsTest.AesEcbPkcs7PaddingCorrupted
+ *
+ * Verifies that AES decryption fails in the correct way when the padding is corrupted.
+ */
+TEST_P(EncryptionOperationsTest, AesEcbPkcs7PaddingCorrupted) {
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .AesEncryptionKey(128)
+ .Authorization(TAG_BLOCK_MODE, BlockMode::ECB)
+ .Padding(PaddingMode::PKCS7)));
+
+ auto params = AuthorizationSetBuilder().BlockMode(BlockMode::ECB).Padding(PaddingMode::PKCS7);
+
+ string message = "a";
+ string ciphertext = EncryptMessage(message, params);
+ EXPECT_EQ(16U, ciphertext.size());
+ EXPECT_NE(ciphertext, message);
+ ++ciphertext[ciphertext.size() / 2];
+
+ EXPECT_EQ(ErrorCode::OK, Begin(KeyPurpose::DECRYPT, params));
+ string plaintext;
+ EXPECT_EQ(ErrorCode::INVALID_INPUT_LENGTH, Finish(message, &plaintext));
+}
+
+vector<uint8_t> CopyIv(const AuthorizationSet& set) {
+ auto iv = set.GetTagValue(TAG_NONCE);
+ EXPECT_TRUE(iv.isOk());
+ return iv.value();
+}
+
+/*
+ * EncryptionOperationsTest.AesCtrRoundTripSuccess
+ *
+ * Verifies that AES CTR mode works.
+ */
+TEST_P(EncryptionOperationsTest, AesCtrRoundTripSuccess) {
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .AesEncryptionKey(128)
+ .Authorization(TAG_BLOCK_MODE, BlockMode::CTR)
+ .Padding(PaddingMode::NONE)));
+
+ auto params = AuthorizationSetBuilder().BlockMode(BlockMode::CTR).Padding(PaddingMode::NONE);
+
+ string message = "123";
+ AuthorizationSet out_params;
+ string ciphertext1 = EncryptMessage(message, params, &out_params);
+ vector<uint8_t> iv1 = CopyIv(out_params);
+ EXPECT_EQ(16U, iv1.size());
+
+ EXPECT_EQ(message.size(), ciphertext1.size());
+
+ out_params.Clear();
+ string ciphertext2 = EncryptMessage(message, params, &out_params);
+ vector<uint8_t> iv2 = CopyIv(out_params);
+ EXPECT_EQ(16U, iv2.size());
+
+ // IVs should be random, so ciphertexts should differ.
+ EXPECT_NE(ciphertext1, ciphertext2);
+
+ auto params_iv1 =
+ AuthorizationSetBuilder().Authorizations(params).Authorization(TAG_NONCE, iv1);
+ auto params_iv2 =
+ AuthorizationSetBuilder().Authorizations(params).Authorization(TAG_NONCE, iv2);
+
+ string plaintext = DecryptMessage(ciphertext1, params_iv1);
+ EXPECT_EQ(message, plaintext);
+ plaintext = DecryptMessage(ciphertext2, params_iv2);
+ EXPECT_EQ(message, plaintext);
+
+ // Using the wrong IV will result in a "valid" decryption, but the data will be garbage.
+ plaintext = DecryptMessage(ciphertext1, params_iv2);
+ EXPECT_NE(message, plaintext);
+ plaintext = DecryptMessage(ciphertext2, params_iv1);
+ EXPECT_NE(message, plaintext);
+}
+
+/*
+ * EncryptionOperationsTest.AesIncremental
+ *
+ * Verifies that AES works, all modes, when provided data in various size increments.
+ */
+TEST_P(EncryptionOperationsTest, AesIncremental) {
+ auto block_modes = {
+ BlockMode::ECB,
+ BlockMode::CBC,
+ BlockMode::CTR,
+ BlockMode::GCM,
+ };
+
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .AesEncryptionKey(128)
+ .BlockMode(block_modes)
+ .Padding(PaddingMode::NONE)
+ .Authorization(TAG_MIN_MAC_LENGTH, 128)));
+
+ for (int increment = 1; increment <= 240; ++increment) {
+ for (auto block_mode : block_modes) {
+ string message(240, 'a');
+ auto params = AuthorizationSetBuilder()
+ .BlockMode(block_mode)
+ .Padding(PaddingMode::NONE)
+ .Authorization(TAG_MAC_LENGTH, 128) /* for GCM */;
+
+ AuthorizationSet output_params;
+ EXPECT_EQ(ErrorCode::OK, Begin(KeyPurpose::ENCRYPT, params, &output_params));
+
+ string ciphertext;
+ int32_t input_consumed;
+ string to_send;
+ for (size_t i = 0; i < message.size(); i += increment) {
+ to_send.append(message.substr(i, increment));
+ EXPECT_EQ(ErrorCode::OK, Update(to_send, &ciphertext, &input_consumed));
+ EXPECT_EQ(to_send.length(), input_consumed);
+ to_send = to_send.substr(input_consumed);
+ EXPECT_EQ(0U, to_send.length());
+
+ switch (block_mode) {
+ case BlockMode::ECB:
+ case BlockMode::CBC:
+ // Implementations must take as many blocks as possible, leaving less
+ // than a block.
+ EXPECT_LE(to_send.length(), 16U);
+ break;
+ case BlockMode::GCM:
+ case BlockMode::CTR:
+ // Implementations must always take all the data.
+ EXPECT_EQ(0U, to_send.length());
+ break;
+ }
+ }
+ EXPECT_EQ(ErrorCode::OK, Finish(to_send, &ciphertext)) << "Error sending " << to_send;
+
+ switch (block_mode) {
+ case BlockMode::GCM:
+ EXPECT_EQ(message.size() + 16, ciphertext.size());
+ break;
+ case BlockMode::CTR:
+ EXPECT_EQ(message.size(), ciphertext.size());
+ break;
+ case BlockMode::CBC:
+ case BlockMode::ECB:
+ EXPECT_EQ(message.size() + message.size() % 16, ciphertext.size());
+ break;
+ }
+
+ auto iv = output_params.GetTagValue(TAG_NONCE);
+ switch (block_mode) {
+ case BlockMode::CBC:
+ case BlockMode::GCM:
+ case BlockMode::CTR:
+ ASSERT_TRUE(iv.isOk()) << "No IV for block mode " << block_mode;
+ EXPECT_EQ(block_mode == BlockMode::GCM ? 12U : 16U, iv.value().size());
+ params.push_back(TAG_NONCE, iv.value());
+ break;
+
+ case BlockMode::ECB:
+ EXPECT_FALSE(iv.isOk()) << "ECB mode should not generate IV";
+ break;
+ }
+
+ EXPECT_EQ(ErrorCode::OK, Begin(KeyPurpose::DECRYPT, params))
+ << "Decrypt begin() failed for block mode " << block_mode;
+
+ string plaintext;
+ for (size_t i = 0; i < ciphertext.size(); i += increment) {
+ to_send.append(ciphertext.substr(i, increment));
+ EXPECT_EQ(ErrorCode::OK, Update(to_send, &plaintext, &input_consumed));
+ to_send = to_send.substr(input_consumed);
+ }
+ ErrorCode error = Finish(to_send, &plaintext);
+ ASSERT_EQ(ErrorCode::OK, error) << "Decryption failed for block mode " << block_mode
+ << " and increment " << increment;
+ if (error == ErrorCode::OK) {
+ ASSERT_EQ(message, plaintext) << "Decryption didn't match for block mode "
+ << block_mode << " and increment " << increment;
+ }
+ }
+ }
+}
+
+struct AesCtrSp80038aTestVector {
+ const char* key;
+ const char* nonce;
+ const char* plaintext;
+ const char* ciphertext;
+};
+
+// These test vectors are taken from
+// http://csrc.nist.gov/publications/nistpubs/800-38a/sp800-38a.pdf, section F.5.
+static const AesCtrSp80038aTestVector kAesCtrSp80038aTestVectors[] = {
+ // AES-128
+ {
+ "2b7e151628aed2a6abf7158809cf4f3c",
+ "f0f1f2f3f4f5f6f7f8f9fafbfcfdfeff",
+ "6bc1bee22e409f96e93d7e117393172aae2d8a571e03ac9c9eb76fac45af8e51"
+ "30c81c46a35ce411e5fbc1191a0a52eff69f2445df4f9b17ad2b417be66c3710",
+ "874d6191b620e3261bef6864990db6ce9806f66b7970fdff8617187bb9fffdff"
+ "5ae4df3edbd5d35e5b4f09020db03eab1e031dda2fbe03d1792170a0f3009cee",
+ },
+ // AES-192
+ {
+ "8e73b0f7da0e6452c810f32b809079e562f8ead2522c6b7b",
+ "f0f1f2f3f4f5f6f7f8f9fafbfcfdfeff",
+ "6bc1bee22e409f96e93d7e117393172aae2d8a571e03ac9c9eb76fac45af8e51"
+ "30c81c46a35ce411e5fbc1191a0a52eff69f2445df4f9b17ad2b417be66c3710",
+ "1abc932417521ca24f2b0459fe7e6e0b090339ec0aa6faefd5ccc2c6f4ce8e94"
+ "1e36b26bd1ebc670d1bd1d665620abf74f78a7f6d29809585a97daec58c6b050",
+ },
+ // AES-256
+ {
+ "603deb1015ca71be2b73aef0857d77811f352c073b6108d72d9810a30914dff4",
+ "f0f1f2f3f4f5f6f7f8f9fafbfcfdfeff",
+ "6bc1bee22e409f96e93d7e117393172aae2d8a571e03ac9c9eb76fac45af8e51"
+ "30c81c46a35ce411e5fbc1191a0a52eff69f2445df4f9b17ad2b417be66c3710",
+ "601ec313775789a5b7a7f504bbf3d228f443e3ca4d62b59aca84e990cacaf5c5"
+ "2b0930daa23de94ce87017ba2d84988ddfc9c58db67aada613c2dd08457941a6",
+ },
+};
+
+/*
+ * EncryptionOperationsTest.AesCtrSp80038aTestVector
+ *
+ * Verifies AES CTR implementation against SP800-38A test vectors.
+ */
+TEST_P(EncryptionOperationsTest, AesCtrSp80038aTestVector) {
+ std::vector<uint32_t> InvalidSizes = InvalidKeySizes(Algorithm::AES);
+ for (size_t i = 0; i < 3; i++) {
+ const AesCtrSp80038aTestVector& test(kAesCtrSp80038aTestVectors[i]);
+ const string key = hex2str(test.key);
+ if (std::find(InvalidSizes.begin(), InvalidSizes.end(), (key.size() * 8)) !=
+ InvalidSizes.end())
+ continue;
+ const string nonce = hex2str(test.nonce);
+ const string plaintext = hex2str(test.plaintext);
+ const string ciphertext = hex2str(test.ciphertext);
+ CheckAesCtrTestVector(key, nonce, plaintext, ciphertext);
+ }
+}
+
+/*
+ * EncryptionOperationsTest.AesCtrIncompatiblePaddingMode
+ *
+ * Verifies that keymint rejects use of CTR mode with PKCS7 padding in the correct way.
+ */
+TEST_P(EncryptionOperationsTest, AesCtrIncompatiblePaddingMode) {
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .AesEncryptionKey(128)
+ .Authorization(TAG_BLOCK_MODE, BlockMode::CTR)
+ .Padding(PaddingMode::PKCS7)));
+ auto params = AuthorizationSetBuilder().BlockMode(BlockMode::CTR).Padding(PaddingMode::NONE);
+ EXPECT_EQ(ErrorCode::INCOMPATIBLE_PADDING_MODE, Begin(KeyPurpose::ENCRYPT, params));
+}
+
+/*
+ * EncryptionOperationsTest.AesCtrInvalidCallerNonce
+ *
+ * Verifies that keymint fails correctly when the user supplies an incorrect-size nonce.
+ */
+TEST_P(EncryptionOperationsTest, AesCtrInvalidCallerNonce) {
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .AesEncryptionKey(128)
+ .Authorization(TAG_BLOCK_MODE, BlockMode::CTR)
+ .Authorization(TAG_CALLER_NONCE)
+ .Padding(PaddingMode::NONE)));
+
+ auto params = AuthorizationSetBuilder()
+ .BlockMode(BlockMode::CTR)
+ .Padding(PaddingMode::NONE)
+ .Authorization(TAG_NONCE, AidlBuf(string(1, 'a')));
+ EXPECT_EQ(ErrorCode::INVALID_NONCE, Begin(KeyPurpose::ENCRYPT, params));
+
+ params = AuthorizationSetBuilder()
+ .BlockMode(BlockMode::CTR)
+ .Padding(PaddingMode::NONE)
+ .Authorization(TAG_NONCE, AidlBuf(string(15, 'a')));
+ EXPECT_EQ(ErrorCode::INVALID_NONCE, Begin(KeyPurpose::ENCRYPT, params));
+
+ params = AuthorizationSetBuilder()
+ .BlockMode(BlockMode::CTR)
+ .Padding(PaddingMode::NONE)
+ .Authorization(TAG_NONCE, AidlBuf(string(17, 'a')));
+ EXPECT_EQ(ErrorCode::INVALID_NONCE, Begin(KeyPurpose::ENCRYPT, params));
+}
+
+/*
+ * EncryptionOperationsTest.AesCtrInvalidCallerNonce
+ *
+ * Verifies that keymint fails correctly when the user supplies an incorrect-size nonce.
+ */
+TEST_P(EncryptionOperationsTest, AesCbcRoundTripSuccess) {
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .AesEncryptionKey(128)
+ .Authorization(TAG_BLOCK_MODE, BlockMode::CBC)
+ .Padding(PaddingMode::NONE)));
+ // Two-block message.
+ string message = "12345678901234567890123456789012";
+ auto params = AuthorizationSetBuilder().BlockMode(BlockMode::CBC).Padding(PaddingMode::NONE);
+ AuthorizationSet out_params;
+ string ciphertext1 = EncryptMessage(message, params, &out_params);
+ vector<uint8_t> iv1 = CopyIv(out_params);
+ EXPECT_EQ(message.size(), ciphertext1.size());
+
+ out_params.Clear();
+
+ string ciphertext2 = EncryptMessage(message, params, &out_params);
+ vector<uint8_t> iv2 = CopyIv(out_params);
+ EXPECT_EQ(message.size(), ciphertext2.size());
+
+ // IVs should be random, so ciphertexts should differ.
+ EXPECT_NE(ciphertext1, ciphertext2);
+
+ params.push_back(TAG_NONCE, iv1);
+ string plaintext = DecryptMessage(ciphertext1, params);
+ EXPECT_EQ(message, plaintext);
+}
+
+/*
+ * EncryptionOperationsTest.AesCallerNonce
+ *
+ * Verifies that AES caller-provided nonces work correctly.
+ */
+TEST_P(EncryptionOperationsTest, AesCallerNonce) {
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .AesEncryptionKey(128)
+ .Authorization(TAG_BLOCK_MODE, BlockMode::CBC)
+ .Authorization(TAG_CALLER_NONCE)
+ .Padding(PaddingMode::NONE)));
+
+ string message = "12345678901234567890123456789012";
+
+ // Don't specify nonce, should get a random one.
+ AuthorizationSetBuilder params =
+ AuthorizationSetBuilder().BlockMode(BlockMode::CBC).Padding(PaddingMode::NONE);
+ AuthorizationSet out_params;
+ string ciphertext = EncryptMessage(message, params, &out_params);
+ EXPECT_EQ(message.size(), ciphertext.size());
+ EXPECT_EQ(16U, out_params.GetTagValue(TAG_NONCE).value().size());
+
+ params.push_back(TAG_NONCE, out_params.GetTagValue(TAG_NONCE).value());
+ string plaintext = DecryptMessage(ciphertext, params);
+ EXPECT_EQ(message, plaintext);
+
+ // Now specify a nonce, should also work.
+ params = AuthorizationSetBuilder()
+ .BlockMode(BlockMode::CBC)
+ .Padding(PaddingMode::NONE)
+ .Authorization(TAG_NONCE, AidlBuf("abcdefghijklmnop"));
+ out_params.Clear();
+ ciphertext = EncryptMessage(message, params, &out_params);
+
+ // Decrypt with correct nonce.
+ plaintext = DecryptMessage(ciphertext, params);
+ EXPECT_EQ(message, plaintext);
+
+ // Try with wrong nonce.
+ params = AuthorizationSetBuilder()
+ .BlockMode(BlockMode::CBC)
+ .Padding(PaddingMode::NONE)
+ .Authorization(TAG_NONCE, AidlBuf("aaaaaaaaaaaaaaaa"));
+ plaintext = DecryptMessage(ciphertext, params);
+ EXPECT_NE(message, plaintext);
+}
+
+/*
+ * EncryptionOperationsTest.AesCallerNonceProhibited
+ *
+ * Verifies that caller-provided nonces are not permitted when not specified in the key
+ * authorizations.
+ */
+TEST_P(EncryptionOperationsTest, AesCallerNonceProhibited) {
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .AesEncryptionKey(128)
+ .Authorization(TAG_BLOCK_MODE, BlockMode::CBC)
+ .Padding(PaddingMode::NONE)));
+
+ string message = "12345678901234567890123456789012";
+
+ // Don't specify nonce, should get a random one.
+ AuthorizationSetBuilder params =
+ AuthorizationSetBuilder().BlockMode(BlockMode::CBC).Padding(PaddingMode::NONE);
+ AuthorizationSet out_params;
+ string ciphertext = EncryptMessage(message, params, &out_params);
+ EXPECT_EQ(message.size(), ciphertext.size());
+ EXPECT_EQ(16U, out_params.GetTagValue(TAG_NONCE).value().size());
+
+ params.push_back(TAG_NONCE, out_params.GetTagValue(TAG_NONCE).value());
+ string plaintext = DecryptMessage(ciphertext, params);
+ EXPECT_EQ(message, plaintext);
+
+ // Now specify a nonce, should fail
+ params = AuthorizationSetBuilder()
+ .BlockMode(BlockMode::CBC)
+ .Padding(PaddingMode::NONE)
+ .Authorization(TAG_NONCE, AidlBuf("abcdefghijklmnop"));
+ out_params.Clear();
+ EXPECT_EQ(ErrorCode::CALLER_NONCE_PROHIBITED, Begin(KeyPurpose::ENCRYPT, params, &out_params));
+}
+
+/*
+ * EncryptionOperationsTest.AesGcmRoundTripSuccess
+ *
+ * Verifies that AES GCM mode works.
+ */
+TEST_P(EncryptionOperationsTest, AesGcmRoundTripSuccess) {
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .AesEncryptionKey(128)
+ .Authorization(TAG_BLOCK_MODE, BlockMode::GCM)
+ .Padding(PaddingMode::NONE)
+ .Authorization(TAG_MIN_MAC_LENGTH, 128)));
+
+ string aad = "foobar";
+ string message = "123456789012345678901234567890123456";
+
+ auto begin_params = AuthorizationSetBuilder()
+ .BlockMode(BlockMode::GCM)
+ .Padding(PaddingMode::NONE)
+ .Authorization(TAG_MAC_LENGTH, 128);
+
+ auto update_params =
+ AuthorizationSetBuilder().Authorization(TAG_ASSOCIATED_DATA, aad.data(), aad.size());
+
+ // Encrypt
+ AuthorizationSet begin_out_params;
+ ASSERT_EQ(ErrorCode::OK, Begin(KeyPurpose::ENCRYPT, begin_params, &begin_out_params))
+ << "Begin encrypt";
+ string ciphertext;
+ AuthorizationSet update_out_params;
+ ASSERT_EQ(ErrorCode::OK, Finish(update_params, message, "", &update_out_params, &ciphertext));
+
+ ASSERT_EQ(ciphertext.length(), message.length() + 16);
+
+ // Grab nonce
+ begin_params.push_back(begin_out_params);
+
+ // Decrypt.
+ ASSERT_EQ(ErrorCode::OK, Begin(KeyPurpose::DECRYPT, begin_params)) << "Begin decrypt";
+ string plaintext;
+ int32_t input_consumed;
+ ASSERT_EQ(ErrorCode::OK,
+ Update(update_params, ciphertext, &update_out_params, &plaintext, &input_consumed));
+ EXPECT_EQ(ciphertext.size(), input_consumed);
+ EXPECT_EQ(ErrorCode::OK, Finish("", &plaintext));
+ EXPECT_EQ(message.length(), plaintext.length());
+ EXPECT_EQ(message, plaintext);
+}
+
+/*
+ * EncryptionOperationsTest.AesGcmRoundTripWithDelaySuccess
+ *
+ * Verifies that AES GCM mode works, even when there's a long delay
+ * between operations.
+ */
+TEST_P(EncryptionOperationsTest, AesGcmRoundTripWithDelaySuccess) {
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .AesEncryptionKey(128)
+ .Authorization(TAG_BLOCK_MODE, BlockMode::GCM)
+ .Padding(PaddingMode::NONE)
+ .Authorization(TAG_MIN_MAC_LENGTH, 128)));
+
+ string aad = "foobar";
+ string message = "123456789012345678901234567890123456";
+
+ auto begin_params = AuthorizationSetBuilder()
+ .BlockMode(BlockMode::GCM)
+ .Padding(PaddingMode::NONE)
+ .Authorization(TAG_MAC_LENGTH, 128);
+
+ auto update_params =
+ AuthorizationSetBuilder().Authorization(TAG_ASSOCIATED_DATA, aad.data(), aad.size());
+
+ // Encrypt
+ AuthorizationSet begin_out_params;
+ ASSERT_EQ(ErrorCode::OK, Begin(KeyPurpose::ENCRYPT, begin_params, &begin_out_params))
+ << "Begin encrypt";
+ string ciphertext;
+ AuthorizationSet update_out_params;
+ sleep(5);
+ ASSERT_EQ(ErrorCode::OK, Finish(update_params, message, "", &update_out_params, &ciphertext));
+
+ ASSERT_EQ(ciphertext.length(), message.length() + 16);
+
+ // Grab nonce
+ begin_params.push_back(begin_out_params);
+
+ // Decrypt.
+ ASSERT_EQ(ErrorCode::OK, Begin(KeyPurpose::DECRYPT, begin_params)) << "Begin decrypt";
+ string plaintext;
+ int32_t input_consumed;
+ sleep(5);
+ ASSERT_EQ(ErrorCode::OK,
+ Update(update_params, ciphertext, &update_out_params, &plaintext, &input_consumed));
+ EXPECT_EQ(ciphertext.size(), input_consumed);
+ sleep(5);
+ EXPECT_EQ(ErrorCode::OK, Finish("", &plaintext));
+ EXPECT_EQ(message.length(), plaintext.length());
+ EXPECT_EQ(message, plaintext);
+}
+
+/*
+ * EncryptionOperationsTest.AesGcmDifferentNonces
+ *
+ * Verifies that encrypting the same data with different nonces produces different outputs.
+ */
+TEST_P(EncryptionOperationsTest, AesGcmDifferentNonces) {
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .AesEncryptionKey(128)
+ .Authorization(TAG_BLOCK_MODE, BlockMode::GCM)
+ .Padding(PaddingMode::NONE)
+ .Authorization(TAG_MIN_MAC_LENGTH, 128)
+ .Authorization(TAG_CALLER_NONCE)));
+
+ string aad = "foobar";
+ string message = "123456789012345678901234567890123456";
+ string nonce1 = "000000000000";
+ string nonce2 = "111111111111";
+ string nonce3 = "222222222222";
+
+ string ciphertext1 =
+ EncryptMessage(message, BlockMode::GCM, PaddingMode::NONE, 128, AidlBuf(nonce1));
+ string ciphertext2 =
+ EncryptMessage(message, BlockMode::GCM, PaddingMode::NONE, 128, AidlBuf(nonce2));
+ string ciphertext3 =
+ EncryptMessage(message, BlockMode::GCM, PaddingMode::NONE, 128, AidlBuf(nonce3));
+
+ ASSERT_NE(ciphertext1, ciphertext2);
+ ASSERT_NE(ciphertext1, ciphertext3);
+ ASSERT_NE(ciphertext2, ciphertext3);
+}
+
+/*
+ * EncryptionOperationsTest.AesGcmTooShortTag
+ *
+ * Verifies that AES GCM mode fails correctly when a too-short tag length is specified.
+ */
+TEST_P(EncryptionOperationsTest, AesGcmTooShortTag) {
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .AesEncryptionKey(128)
+ .BlockMode(BlockMode::GCM)
+ .Padding(PaddingMode::NONE)
+ .Authorization(TAG_MIN_MAC_LENGTH, 128)));
+ string message = "123456789012345678901234567890123456";
+ auto params = AuthorizationSetBuilder()
+ .BlockMode(BlockMode::GCM)
+ .Padding(PaddingMode::NONE)
+ .Authorization(TAG_MAC_LENGTH, 96);
+
+ EXPECT_EQ(ErrorCode::INVALID_MAC_LENGTH, Begin(KeyPurpose::ENCRYPT, params));
+}
+
+/*
+ * EncryptionOperationsTest.AesGcmTooShortTagOnDecrypt
+ *
+ * Verifies that AES GCM mode fails correctly when a too-short tag is provided to decryption.
+ */
+TEST_P(EncryptionOperationsTest, AesGcmTooShortTagOnDecrypt) {
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .AesEncryptionKey(128)
+ .BlockMode(BlockMode::GCM)
+ .Padding(PaddingMode::NONE)
+ .Authorization(TAG_MIN_MAC_LENGTH, 128)));
+ string aad = "foobar";
+ string message = "123456789012345678901234567890123456";
+ auto params = AuthorizationSetBuilder()
+ .BlockMode(BlockMode::GCM)
+ .Padding(PaddingMode::NONE)
+ .Authorization(TAG_MAC_LENGTH, 128);
+
+ auto finish_params =
+ AuthorizationSetBuilder().Authorization(TAG_ASSOCIATED_DATA, aad.data(), aad.size());
+
+ // Encrypt
+ AuthorizationSet begin_out_params;
+ EXPECT_EQ(ErrorCode::OK, Begin(KeyPurpose::ENCRYPT, params, &begin_out_params));
+ EXPECT_EQ(1U, begin_out_params.size());
+ ASSERT_TRUE(begin_out_params.GetTagValue(TAG_NONCE).isOk());
+
+ AuthorizationSet finish_out_params;
+ string ciphertext;
+ EXPECT_EQ(ErrorCode::OK,
+ Finish(finish_params, message, "" /* signature */, &finish_out_params, &ciphertext));
+
+ params = AuthorizationSetBuilder()
+ .Authorizations(begin_out_params)
+ .BlockMode(BlockMode::GCM)
+ .Padding(PaddingMode::NONE)
+ .Authorization(TAG_MAC_LENGTH, 96);
+
+ // Decrypt.
+ EXPECT_EQ(ErrorCode::INVALID_MAC_LENGTH, Begin(KeyPurpose::DECRYPT, params));
+}
+
+/*
+ * EncryptionOperationsTest.AesGcmCorruptKey
+ *
+ * Verifies that AES GCM mode fails correctly when the decryption key is incorrect.
+ */
+TEST_P(EncryptionOperationsTest, AesGcmCorruptKey) {
+ const uint8_t nonce_bytes[] = {
+ 0xb7, 0x94, 0x37, 0xae, 0x08, 0xff, 0x35, 0x5d, 0x7d, 0x8a, 0x4d, 0x0f,
+ };
+ string nonce = make_string(nonce_bytes);
+ const uint8_t ciphertext_bytes[] = {
+ 0xb3, 0xf6, 0x79, 0x9e, 0x8f, 0x93, 0x26, 0xf2, 0xdf, 0x1e, 0x80, 0xfc,
+ 0xd2, 0xcb, 0x16, 0xd7, 0x8c, 0x9d, 0xc7, 0xcc, 0x14, 0xbb, 0x67, 0x78,
+ 0x62, 0xdc, 0x6c, 0x63, 0x9b, 0x3a, 0x63, 0x38, 0xd2, 0x4b, 0x31, 0x2d,
+ 0x39, 0x89, 0xe5, 0x92, 0x0b, 0x5d, 0xbf, 0xc9, 0x76, 0x76, 0x5e, 0xfb,
+ 0xfe, 0x57, 0xbb, 0x38, 0x59, 0x40, 0xa7, 0xa4, 0x3b, 0xdf, 0x05, 0xbd,
+ 0xda, 0xe3, 0xc9, 0xd6, 0xa2, 0xfb, 0xbd, 0xfc, 0xc0, 0xcb, 0xa0,
+ };
+ string ciphertext = make_string(ciphertext_bytes);
+
+ auto params = AuthorizationSetBuilder()
+ .BlockMode(BlockMode::GCM)
+ .Padding(PaddingMode::NONE)
+ .Authorization(TAG_MAC_LENGTH, 128)
+ .Authorization(TAG_NONCE, nonce.data(), nonce.size());
+
+ auto import_params = AuthorizationSetBuilder()
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .AesEncryptionKey(128)
+ .BlockMode(BlockMode::GCM)
+ .Padding(PaddingMode::NONE)
+ .Authorization(TAG_CALLER_NONCE)
+ .Authorization(TAG_MIN_MAC_LENGTH, 128);
+
+ // Import correct key and decrypt
+ const uint8_t key_bytes[] = {
+ 0xba, 0x76, 0x35, 0x4f, 0x0a, 0xed, 0x6e, 0x8d,
+ 0x91, 0xf4, 0x5c, 0x4f, 0xf5, 0xa0, 0x62, 0xdb,
+ };
+ string key = make_string(key_bytes);
+ ASSERT_EQ(ErrorCode::OK, ImportKey(import_params, KeyFormat::RAW, key));
+ string plaintext = DecryptMessage(ciphertext, params);
+ CheckedDeleteKey();
+
+ // Corrupt key and attempt to decrypt
+ key[0] = 0;
+ ASSERT_EQ(ErrorCode::OK, ImportKey(import_params, KeyFormat::RAW, key));
+ EXPECT_EQ(ErrorCode::OK, Begin(KeyPurpose::DECRYPT, params));
+ EXPECT_EQ(ErrorCode::VERIFICATION_FAILED, Finish(ciphertext, &plaintext));
+ CheckedDeleteKey();
+}
+
+/*
+ * EncryptionOperationsTest.AesGcmAadNoData
+ *
+ * Verifies that AES GCM mode works when provided additional authenticated data, but no data to
+ * encrypt.
+ */
+TEST_P(EncryptionOperationsTest, AesGcmAadNoData) {
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .AesEncryptionKey(128)
+ .BlockMode(BlockMode::GCM)
+ .Padding(PaddingMode::NONE)
+ .Authorization(TAG_MIN_MAC_LENGTH, 128)));
+
+ string aad = "1234567890123456";
+ auto params = AuthorizationSetBuilder()
+ .BlockMode(BlockMode::GCM)
+ .Padding(PaddingMode::NONE)
+ .Authorization(TAG_MAC_LENGTH, 128);
+
+ auto finish_params =
+ AuthorizationSetBuilder().Authorization(TAG_ASSOCIATED_DATA, aad.data(), aad.size());
+
+ // Encrypt
+ AuthorizationSet begin_out_params;
+ EXPECT_EQ(ErrorCode::OK, Begin(KeyPurpose::ENCRYPT, params, &begin_out_params));
+ string ciphertext;
+ AuthorizationSet finish_out_params;
+ EXPECT_EQ(ErrorCode::OK, Finish(finish_params, "" /* input */, "" /* signature */,
+ &finish_out_params, &ciphertext));
+ EXPECT_TRUE(finish_out_params.empty());
+
+ // Grab nonce
+ params.push_back(begin_out_params);
+
+ // Decrypt.
+ EXPECT_EQ(ErrorCode::OK, Begin(KeyPurpose::DECRYPT, params));
+ string plaintext;
+ EXPECT_EQ(ErrorCode::OK, Finish(finish_params, ciphertext, "" /* signature */,
+ &finish_out_params, &plaintext));
+
+ EXPECT_TRUE(finish_out_params.empty());
+
+ EXPECT_EQ("", plaintext);
+}
+
+/*
+ * EncryptionOperationsTest.AesGcmMultiPartAad
+ *
+ * Verifies that AES GCM mode works when provided additional authenticated data in multiple
+ * chunks.
+ */
+TEST_P(EncryptionOperationsTest, AesGcmMultiPartAad) {
+ const size_t tag_bits = 128;
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .AesEncryptionKey(128)
+ .BlockMode(BlockMode::GCM)
+ .Padding(PaddingMode::NONE)
+ .Authorization(TAG_MIN_MAC_LENGTH, 128)));
+
+ string message = "123456789012345678901234567890123456";
+ auto begin_params = AuthorizationSetBuilder()
+ .BlockMode(BlockMode::GCM)
+ .Padding(PaddingMode::NONE)
+ .Authorization(TAG_MAC_LENGTH, tag_bits);
+ AuthorizationSet begin_out_params;
+
+ auto update_params =
+ AuthorizationSetBuilder().Authorization(TAG_ASSOCIATED_DATA, "foo", (size_t)3);
+
+ EXPECT_EQ(ErrorCode::OK, Begin(KeyPurpose::ENCRYPT, begin_params, &begin_out_params));
+
+ // No data, AAD only.
+ string ciphertext;
+ int32_t input_consumed;
+ AuthorizationSet update_out_params;
+ EXPECT_EQ(ErrorCode::OK, Update(update_params, "" /* input */, &update_out_params, &ciphertext,
+ &input_consumed));
+ EXPECT_EQ(0U, input_consumed);
+ EXPECT_EQ(0U, ciphertext.size());
+ EXPECT_TRUE(update_out_params.empty());
+
+ // AAD and data.
+ EXPECT_EQ(ErrorCode::OK,
+ Update(update_params, message, &update_out_params, &ciphertext, &input_consumed));
+ EXPECT_EQ(message.size(), input_consumed);
+ EXPECT_TRUE(update_out_params.empty());
+
+ EXPECT_EQ(ErrorCode::OK, Finish("" /* input */, &ciphertext));
+ // Expect 128-bit (16-byte) tag appended to ciphertext.
+ EXPECT_EQ(message.size() + (tag_bits >> 3), ciphertext.size());
+
+ // Grab nonce.
+ begin_params.push_back(begin_out_params);
+
+ // Decrypt
+ update_params =
+ AuthorizationSetBuilder().Authorization(TAG_ASSOCIATED_DATA, "foofoo", (size_t)6);
+
+ EXPECT_EQ(ErrorCode::OK, Begin(KeyPurpose::DECRYPT, begin_params));
+ string plaintext;
+ EXPECT_EQ(ErrorCode::OK, Finish(update_params, ciphertext, "" /* signature */,
+ &update_out_params, &plaintext));
+ EXPECT_TRUE(update_out_params.empty());
+ EXPECT_EQ(message, plaintext);
+}
+
+/*
+ * EncryptionOperationsTest.AesGcmAadOutOfOrder
+ *
+ * Verifies that AES GCM mode fails correctly when given AAD after data to encipher.
+ */
+TEST_P(EncryptionOperationsTest, AesGcmAadOutOfOrder) {
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .AesEncryptionKey(128)
+ .BlockMode(BlockMode::GCM)
+ .Padding(PaddingMode::NONE)
+ .Authorization(TAG_MIN_MAC_LENGTH, 128)));
+
+ string message = "123456789012345678901234567890123456";
+ auto begin_params = AuthorizationSetBuilder()
+ .BlockMode(BlockMode::GCM)
+ .Padding(PaddingMode::NONE)
+ .Authorization(TAG_MAC_LENGTH, 128);
+ AuthorizationSet begin_out_params;
+
+ auto update_params =
+ AuthorizationSetBuilder().Authorization(TAG_ASSOCIATED_DATA, "foo", (size_t)3);
+
+ EXPECT_EQ(ErrorCode::OK, Begin(KeyPurpose::ENCRYPT, begin_params, &begin_out_params));
+
+ // No data, AAD only.
+ string ciphertext;
+ int32_t input_consumed;
+ AuthorizationSet update_out_params;
+ EXPECT_EQ(ErrorCode::OK, Update(update_params, "" /* input */, &update_out_params, &ciphertext,
+ &input_consumed));
+ EXPECT_EQ(0U, input_consumed);
+ EXPECT_EQ(0U, ciphertext.size());
+ EXPECT_TRUE(update_out_params.empty());
+
+ // AAD and data.
+ EXPECT_EQ(ErrorCode::OK,
+ Update(update_params, message, &update_out_params, &ciphertext, &input_consumed));
+ EXPECT_EQ(message.size(), input_consumed);
+ EXPECT_TRUE(update_out_params.empty());
+
+ // More AAD
+ EXPECT_EQ(ErrorCode::INVALID_TAG,
+ Update(update_params, "", &update_out_params, &ciphertext, &input_consumed));
+
+ op_.clear();
+}
+
+/*
+ * EncryptionOperationsTest.AesGcmBadAad
+ *
+ * Verifies that AES GCM decryption fails correctly when additional authenticated date is wrong.
+ */
+TEST_P(EncryptionOperationsTest, AesGcmBadAad) {
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .AesEncryptionKey(128)
+ .BlockMode(BlockMode::GCM)
+ .Padding(PaddingMode::NONE)
+ .Authorization(TAG_MIN_MAC_LENGTH, 128)));
+
+ string message = "12345678901234567890123456789012";
+ auto begin_params = AuthorizationSetBuilder()
+ .BlockMode(BlockMode::GCM)
+ .Padding(PaddingMode::NONE)
+ .Authorization(TAG_MAC_LENGTH, 128);
+
+ auto finish_params =
+ AuthorizationSetBuilder().Authorization(TAG_ASSOCIATED_DATA, "foobar", (size_t)6);
+
+ // Encrypt
+ AuthorizationSet begin_out_params;
+ EXPECT_EQ(ErrorCode::OK, Begin(KeyPurpose::ENCRYPT, begin_params, &begin_out_params));
+ string ciphertext;
+ AuthorizationSet finish_out_params;
+ EXPECT_EQ(ErrorCode::OK,
+ Finish(finish_params, message, "" /* signature */, &finish_out_params, &ciphertext));
+
+ // Grab nonce
+ begin_params.push_back(begin_out_params);
+
+ finish_params = AuthorizationSetBuilder().Authorization(TAG_ASSOCIATED_DATA,
+ "barfoo" /* Wrong AAD */, (size_t)6);
+
+ // Decrypt.
+ EXPECT_EQ(ErrorCode::OK, Begin(KeyPurpose::DECRYPT, begin_params, &begin_out_params));
+ string plaintext;
+ EXPECT_EQ(ErrorCode::VERIFICATION_FAILED, Finish(finish_params, ciphertext, "" /* signature */,
+ &finish_out_params, &plaintext));
+}
+
+/*
+ * EncryptionOperationsTest.AesGcmWrongNonce
+ *
+ * Verifies that AES GCM decryption fails correctly when the nonce is incorrect.
+ */
+TEST_P(EncryptionOperationsTest, AesGcmWrongNonce) {
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .AesEncryptionKey(128)
+ .BlockMode(BlockMode::GCM)
+ .Padding(PaddingMode::NONE)
+ .Authorization(TAG_MIN_MAC_LENGTH, 128)));
+
+ string message = "12345678901234567890123456789012";
+ auto begin_params = AuthorizationSetBuilder()
+ .BlockMode(BlockMode::GCM)
+ .Padding(PaddingMode::NONE)
+ .Authorization(TAG_MAC_LENGTH, 128);
+
+ auto finish_params =
+ AuthorizationSetBuilder().Authorization(TAG_ASSOCIATED_DATA, "foobar", (size_t)6);
+
+ // Encrypt
+ AuthorizationSet begin_out_params;
+ EXPECT_EQ(ErrorCode::OK, Begin(KeyPurpose::ENCRYPT, begin_params, &begin_out_params));
+ string ciphertext;
+ AuthorizationSet finish_out_params;
+ EXPECT_EQ(ErrorCode::OK,
+ Finish(finish_params, message, "" /* signature */, &finish_out_params, &ciphertext));
+
+ // Wrong nonce
+ begin_params.push_back(TAG_NONCE, AidlBuf("123456789012"));
+
+ // Decrypt.
+ EXPECT_EQ(ErrorCode::OK, Begin(KeyPurpose::DECRYPT, begin_params, &begin_out_params));
+ string plaintext;
+ EXPECT_EQ(ErrorCode::VERIFICATION_FAILED, Finish(finish_params, ciphertext, "" /* signature */,
+ &finish_out_params, &plaintext));
+
+ // With wrong nonce, should have gotten garbage plaintext (or none).
+ EXPECT_NE(message, plaintext);
+}
+
+/*
+ * EncryptionOperationsTest.AesGcmCorruptTag
+ *
+ * Verifies that AES GCM decryption fails correctly when the tag is wrong.
+ */
+TEST_P(EncryptionOperationsTest, AesGcmCorruptTag) {
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .AesEncryptionKey(128)
+ .BlockMode(BlockMode::GCM)
+ .Padding(PaddingMode::NONE)
+ .Authorization(TAG_MIN_MAC_LENGTH, 128)));
+
+ string aad = "1234567890123456";
+ string message = "123456789012345678901234567890123456";
+
+ auto params = AuthorizationSetBuilder()
+ .BlockMode(BlockMode::GCM)
+ .Padding(PaddingMode::NONE)
+ .Authorization(TAG_MAC_LENGTH, 128);
+
+ auto finish_params =
+ AuthorizationSetBuilder().Authorization(TAG_ASSOCIATED_DATA, aad.data(), aad.size());
+
+ // Encrypt
+ AuthorizationSet begin_out_params;
+ EXPECT_EQ(ErrorCode::OK, Begin(KeyPurpose::ENCRYPT, params, &begin_out_params));
+ string ciphertext;
+ AuthorizationSet finish_out_params;
+ EXPECT_EQ(ErrorCode::OK,
+ Finish(finish_params, message, "" /* signature */, &finish_out_params, &ciphertext));
+ EXPECT_TRUE(finish_out_params.empty());
+
+ // Corrupt tag
+ ++(*ciphertext.rbegin());
+
+ // Grab nonce
+ params.push_back(begin_out_params);
+
+ // Decrypt.
+ EXPECT_EQ(ErrorCode::OK, Begin(KeyPurpose::DECRYPT, params));
+ string plaintext;
+ EXPECT_EQ(ErrorCode::VERIFICATION_FAILED, Finish(finish_params, ciphertext, "" /* signature */,
+ &finish_out_params, &plaintext));
+ EXPECT_TRUE(finish_out_params.empty());
+}
+
+/*
+ * EncryptionOperationsTest.TripleDesEcbRoundTripSuccess
+ *
+ * Verifies that 3DES is basically functional.
+ */
+TEST_P(EncryptionOperationsTest, TripleDesEcbRoundTripSuccess) {
+ auto auths = AuthorizationSetBuilder()
+ .TripleDesEncryptionKey(168)
+ .BlockMode(BlockMode::ECB)
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .Padding(PaddingMode::NONE);
+
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(auths));
+ // Two-block message.
+ string message = "1234567890123456";
+ auto inParams = AuthorizationSetBuilder().BlockMode(BlockMode::ECB).Padding(PaddingMode::NONE);
+ string ciphertext1 = EncryptMessage(message, inParams);
+ EXPECT_EQ(message.size(), ciphertext1.size());
+
+ string ciphertext2 = EncryptMessage(string(message), inParams);
+ EXPECT_EQ(message.size(), ciphertext2.size());
+
+ // ECB is deterministic.
+ EXPECT_EQ(ciphertext1, ciphertext2);
+
+ string plaintext = DecryptMessage(ciphertext1, inParams);
+ EXPECT_EQ(message, plaintext);
+}
+
+/*
+ * EncryptionOperationsTest.TripleDesEcbNotAuthorized
+ *
+ * Verifies that CBC keys reject ECB usage.
+ */
+TEST_P(EncryptionOperationsTest, TripleDesEcbNotAuthorized) {
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .TripleDesEncryptionKey(168)
+ .BlockMode(BlockMode::CBC)
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .Padding(PaddingMode::NONE)));
+
+ auto inParams = AuthorizationSetBuilder().BlockMode(BlockMode::ECB).Padding(PaddingMode::NONE);
+ EXPECT_EQ(ErrorCode::INCOMPATIBLE_BLOCK_MODE, Begin(KeyPurpose::ENCRYPT, inParams));
+}
+
+/*
+ * EncryptionOperationsTest.TripleDesEcbPkcs7Padding
+ *
+ * Tests ECB mode with PKCS#7 padding, various message sizes.
+ */
+TEST_P(EncryptionOperationsTest, TripleDesEcbPkcs7Padding) {
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .TripleDesEncryptionKey(168)
+ .BlockMode(BlockMode::ECB)
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .Padding(PaddingMode::PKCS7)));
+
+ for (size_t i = 0; i < 32; ++i) {
+ string message(i, 'a');
+ auto inParams =
+ AuthorizationSetBuilder().BlockMode(BlockMode::ECB).Padding(PaddingMode::PKCS7);
+ string ciphertext = EncryptMessage(message, inParams);
+ EXPECT_EQ(i + 8 - (i % 8), ciphertext.size());
+ string plaintext = DecryptMessage(ciphertext, inParams);
+ EXPECT_EQ(message, plaintext);
+ }
+}
+
+/*
+ * EncryptionOperationsTest.TripleDesEcbNoPaddingKeyWithPkcs7Padding
+ *
+ * Verifies that keys configured for no padding reject PKCS7 padding
+ */
+TEST_P(EncryptionOperationsTest, TripleDesEcbNoPaddingKeyWithPkcs7Padding) {
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .TripleDesEncryptionKey(168)
+ .BlockMode(BlockMode::ECB)
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .Padding(PaddingMode::NONE)));
+ for (size_t i = 0; i < 32; ++i) {
+ auto inParams =
+ AuthorizationSetBuilder().BlockMode(BlockMode::ECB).Padding(PaddingMode::PKCS7);
+ EXPECT_EQ(ErrorCode::INCOMPATIBLE_PADDING_MODE, Begin(KeyPurpose::ENCRYPT, inParams));
+ }
+}
+
+/*
+ * EncryptionOperationsTest.TripleDesEcbPkcs7PaddingCorrupted
+ *
+ * Verifies that corrupted padding is detected.
+ */
+TEST_P(EncryptionOperationsTest, TripleDesEcbPkcs7PaddingCorrupted) {
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .TripleDesEncryptionKey(168)
+ .BlockMode(BlockMode::ECB)
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .Padding(PaddingMode::PKCS7)));
+
+ string message = "a";
+ string ciphertext = EncryptMessage(message, BlockMode::ECB, PaddingMode::PKCS7);
+ EXPECT_EQ(8U, ciphertext.size());
+ EXPECT_NE(ciphertext, message);
+ ++ciphertext[ciphertext.size() / 2];
+
+ AuthorizationSetBuilder begin_params;
+ begin_params.push_back(TAG_BLOCK_MODE, BlockMode::ECB);
+ begin_params.push_back(TAG_PADDING, PaddingMode::PKCS7);
+ EXPECT_EQ(ErrorCode::OK, Begin(KeyPurpose::DECRYPT, begin_params));
+ string plaintext;
+ int32_t input_consumed;
+ EXPECT_EQ(ErrorCode::OK, Update(ciphertext, &plaintext, &input_consumed));
+ EXPECT_EQ(ciphertext.size(), input_consumed);
+ EXPECT_EQ(ErrorCode::INVALID_ARGUMENT, Finish(&plaintext));
+}
+
+struct TripleDesTestVector {
+ const char* name;
+ const KeyPurpose purpose;
+ const BlockMode block_mode;
+ const PaddingMode padding_mode;
+ const char* key;
+ const char* iv;
+ const char* input;
+ const char* output;
+};
+
+// These test vectors are from NIST CAVP, plus a few custom variants to test padding, since all
+// of the NIST vectors are multiples of the block size.
+static const TripleDesTestVector kTripleDesTestVectors[] = {
+ {
+ "TECBMMT3 Encrypt 0", KeyPurpose::ENCRYPT, BlockMode::ECB, PaddingMode::NONE,
+ "a2b5bc67da13dc92cd9d344aa238544a0e1fa79ef76810cd", // key
+ "", // IV
+ "329d86bdf1bc5af4", // input
+ "d946c2756d78633f", // output
+ },
+ {
+ "TECBMMT3 Encrypt 1", KeyPurpose::ENCRYPT, BlockMode::ECB, PaddingMode::NONE,
+ "49e692290d2a5e46bace79b9648a4c5d491004c262dc9d49", // key
+ "", // IV
+ "6b1540781b01ce1997adae102dbf3c5b", // input
+ "4d0dc182d6e481ac4a3dc6ab6976ccae", // output
+ },
+ {
+ "TECBMMT3 Decrypt 0", KeyPurpose::DECRYPT, BlockMode::ECB, PaddingMode::NONE,
+ "52daec2ac7dc1958377392682f37860b2cc1ea2304bab0e9", // key
+ "", // IV
+ "6daad94ce08acfe7", // input
+ "660e7d32dcc90e79", // output
+ },
+ {
+ "TECBMMT3 Decrypt 1", KeyPurpose::DECRYPT, BlockMode::ECB, PaddingMode::NONE,
+ "7f8fe3d3f4a48394fb682c2919926d6ddfce8932529229ce", // key
+ "", // IV
+ "e9653a0a1f05d31b9acd12d73aa9879d", // input
+ "9b2ae9d998efe62f1b592e7e1df8ff38", // output
+ },
+ {
+ "TCBCMMT3 Encrypt 0", KeyPurpose::ENCRYPT, BlockMode::CBC, PaddingMode::NONE,
+ "b5cb1504802326c73df186e3e352a20de643b0d63ee30e37", // key
+ "43f791134c5647ba", // IV
+ "dcc153cef81d6f24", // input
+ "92538bd8af18d3ba", // output
+ },
+ {
+ "TCBCMMT3 Encrypt 1", KeyPurpose::ENCRYPT, BlockMode::CBC, PaddingMode::NONE,
+ "a49d7564199e97cb529d2c9d97bf2f98d35edf57ba1f7358", // key
+ "c2e999cb6249023c", // IV
+ "c689aee38a301bb316da75db36f110b5", // input
+ "e9afaba5ec75ea1bbe65506655bb4ecb", // output
+ },
+ {
+ "TCBCMMT3 Encrypt 1 PKCS7 variant", KeyPurpose::ENCRYPT, BlockMode::CBC,
+ PaddingMode::PKCS7,
+ "a49d7564199e97cb529d2c9d97bf2f98d35edf57ba1f7358", // key
+ "c2e999cb6249023c", // IV
+ "c689aee38a301bb316da75db36f110b500", // input
+ "e9afaba5ec75ea1bbe65506655bb4ecb825aa27ec0656156", // output
+ },
+ {
+ "TCBCMMT3 Encrypt 1 PKCS7 decrypted", KeyPurpose::DECRYPT, BlockMode::CBC,
+ PaddingMode::PKCS7,
+ "a49d7564199e97cb529d2c9d97bf2f98d35edf57ba1f7358", // key
+ "c2e999cb6249023c", // IV
+ "e9afaba5ec75ea1bbe65506655bb4ecb825aa27ec0656156", // input
+ "c689aee38a301bb316da75db36f110b500", // output
+ },
+ {
+ "TCBCMMT3 Decrypt 0", KeyPurpose::DECRYPT, BlockMode::CBC, PaddingMode::NONE,
+ "5eb6040d46082c7aa7d06dfd08dfeac8c18364c1548c3ba1", // key
+ "41746c7e442d3681", // IV
+ "c53a7b0ec40600fe", // input
+ "d4f00eb455de1034", // output
+ },
+ {
+ "TCBCMMT3 Decrypt 1", KeyPurpose::DECRYPT, BlockMode::CBC, PaddingMode::NONE,
+ "5b1cce7c0dc1ec49130dfb4af45785ab9179e567f2c7d549", // key
+ "3982bc02c3727d45", // IV
+ "6006f10adef52991fcc777a1238bbb65", // input
+ "edae09288e9e3bc05746d872b48e3b29", // output
+ },
+};
+
+/*
+ * EncryptionOperationsTest.TripleDesTestVector
+ *
+ * Verifies that NIST (plus a few extra) test vectors produce the correct results.
+ */
+TEST_P(EncryptionOperationsTest, TripleDesTestVector) {
+ constexpr size_t num_tests = sizeof(kTripleDesTestVectors) / sizeof(TripleDesTestVector);
+ for (auto* test = kTripleDesTestVectors; test < kTripleDesTestVectors + num_tests; ++test) {
+ SCOPED_TRACE(test->name);
+ CheckTripleDesTestVector(test->purpose, test->block_mode, test->padding_mode,
+ hex2str(test->key), hex2str(test->iv), hex2str(test->input),
+ hex2str(test->output));
+ }
+}
+
+/*
+ * EncryptionOperationsTest.TripleDesCbcRoundTripSuccess
+ *
+ * Validates CBC mode functionality.
+ */
+TEST_P(EncryptionOperationsTest, TripleDesCbcRoundTripSuccess) {
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .TripleDesEncryptionKey(168)
+ .BlockMode(BlockMode::CBC)
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .Padding(PaddingMode::NONE)));
+
+ ASSERT_GT(key_blob_.size(), 0U);
+
+ // Two-block message.
+ string message = "1234567890123456";
+ vector<uint8_t> iv1;
+ string ciphertext1 = EncryptMessage(message, BlockMode::CBC, PaddingMode::NONE, &iv1);
+ EXPECT_EQ(message.size(), ciphertext1.size());
+
+ vector<uint8_t> iv2;
+ string ciphertext2 = EncryptMessage(message, BlockMode::CBC, PaddingMode::NONE, &iv2);
+ EXPECT_EQ(message.size(), ciphertext2.size());
+
+ // IVs should be random, so ciphertexts should differ.
+ EXPECT_NE(iv1, iv2);
+ EXPECT_NE(ciphertext1, ciphertext2);
+
+ string plaintext = DecryptMessage(ciphertext1, BlockMode::CBC, PaddingMode::NONE, iv1);
+ EXPECT_EQ(message, plaintext);
+}
+
+/*
+ * EncryptionOperationsTest.TripleDesCallerIv
+ *
+ * Validates that 3DES keys can allow caller-specified IVs, and use them correctly.
+ */
+TEST_P(EncryptionOperationsTest, TripleDesCallerIv) {
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .TripleDesEncryptionKey(168)
+ .BlockMode(BlockMode::CBC)
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .Authorization(TAG_CALLER_NONCE)
+ .Padding(PaddingMode::NONE)));
+ string message = "1234567890123456";
+ vector<uint8_t> iv;
+ // Don't specify IV, should get a random one.
+ string ciphertext1 = EncryptMessage(message, BlockMode::CBC, PaddingMode::NONE, &iv);
+ EXPECT_EQ(message.size(), ciphertext1.size());
+ EXPECT_EQ(8U, iv.size());
+
+ string plaintext = DecryptMessage(ciphertext1, BlockMode::CBC, PaddingMode::NONE, iv);
+ EXPECT_EQ(message, plaintext);
+
+ // Now specify an IV, should also work.
+ iv = AidlBuf("abcdefgh");
+ string ciphertext2 = EncryptMessage(message, BlockMode::CBC, PaddingMode::NONE, iv);
+
+ // Decrypt with correct IV.
+ plaintext = DecryptMessage(ciphertext2, BlockMode::CBC, PaddingMode::NONE, iv);
+ EXPECT_EQ(message, plaintext);
+
+ // Now try with wrong IV.
+ plaintext = DecryptMessage(ciphertext2, BlockMode::CBC, PaddingMode::NONE, AidlBuf("aaaaaaaa"));
+ EXPECT_NE(message, plaintext);
+}
+
+/*
+ * EncryptionOperationsTest, TripleDesCallerNonceProhibited.
+ *
+ * Verifies that 3DES keys without TAG_CALLER_NONCE do not allow caller-specified IVS.
+ */
+TEST_P(EncryptionOperationsTest, TripleDesCallerNonceProhibited) {
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .TripleDesEncryptionKey(168)
+ .BlockMode(BlockMode::CBC)
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .Padding(PaddingMode::NONE)));
+
+ string message = "12345678901234567890123456789012";
+ vector<uint8_t> iv;
+ // Don't specify nonce, should get a random one.
+ string ciphertext1 = EncryptMessage(message, BlockMode::CBC, PaddingMode::NONE, &iv);
+ EXPECT_EQ(message.size(), ciphertext1.size());
+ EXPECT_EQ(8U, iv.size());
+
+ string plaintext = DecryptMessage(ciphertext1, BlockMode::CBC, PaddingMode::NONE, iv);
+ EXPECT_EQ(message, plaintext);
+
+ // Now specify a nonce, should fail.
+ auto input_params = AuthorizationSetBuilder()
+ .Authorization(TAG_NONCE, AidlBuf("abcdefgh"))
+ .BlockMode(BlockMode::CBC)
+ .Padding(PaddingMode::NONE);
+ AuthorizationSet output_params;
+ EXPECT_EQ(ErrorCode::CALLER_NONCE_PROHIBITED,
+ Begin(KeyPurpose::ENCRYPT, input_params, &output_params));
+}
+
+/*
+ * EncryptionOperationsTest.TripleDesCbcNotAuthorized
+ *
+ * Verifies that 3DES ECB-only keys do not allow CBC usage.
+ */
+TEST_P(EncryptionOperationsTest, TripleDesCbcNotAuthorized) {
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .TripleDesEncryptionKey(168)
+ .BlockMode(BlockMode::ECB)
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .Padding(PaddingMode::NONE)));
+ // Two-block message.
+ string message = "1234567890123456";
+ auto begin_params =
+ AuthorizationSetBuilder().BlockMode(BlockMode::CBC).Padding(PaddingMode::NONE);
+ EXPECT_EQ(ErrorCode::INCOMPATIBLE_BLOCK_MODE, Begin(KeyPurpose::ENCRYPT, begin_params));
+}
+
+/*
+ * EncryptionOperationsTest.TripleDesCbcNoPaddingWrongInputSize
+ *
+ * Verifies that unpadded CBC operations reject inputs that are not a multiple of block size.
+ */
+TEST_P(EncryptionOperationsTest, TripleDesCbcNoPaddingWrongInputSize) {
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .TripleDesEncryptionKey(168)
+ .BlockMode(BlockMode::CBC)
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .Padding(PaddingMode::NONE)));
+ // Message is slightly shorter than two blocks.
+ string message = "123456789012345";
+
+ auto begin_params =
+ AuthorizationSetBuilder().BlockMode(BlockMode::CBC).Padding(PaddingMode::NONE);
+ AuthorizationSet output_params;
+ EXPECT_EQ(ErrorCode::OK, Begin(KeyPurpose::ENCRYPT, begin_params, &output_params));
+ string ciphertext;
+ EXPECT_EQ(ErrorCode::INVALID_INPUT_LENGTH, Finish(message, "", &ciphertext));
+}
+
+/*
+ * EncryptionOperationsTest, TripleDesCbcPkcs7Padding.
+ *
+ * Verifies that PKCS7 padding works correctly in CBC mode.
+ */
+TEST_P(EncryptionOperationsTest, TripleDesCbcPkcs7Padding) {
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .TripleDesEncryptionKey(168)
+ .BlockMode(BlockMode::CBC)
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .Padding(PaddingMode::PKCS7)));
+
+ // Try various message lengths; all should work.
+ for (size_t i = 0; i < 32; ++i) {
+ string message(i, 'a');
+ vector<uint8_t> iv;
+ string ciphertext = EncryptMessage(message, BlockMode::CBC, PaddingMode::PKCS7, &iv);
+ EXPECT_EQ(i + 8 - (i % 8), ciphertext.size());
+ string plaintext = DecryptMessage(ciphertext, BlockMode::CBC, PaddingMode::PKCS7, iv);
+ EXPECT_EQ(message, plaintext);
+ }
+}
+
+/*
+ * EncryptionOperationsTest.TripleDesCbcNoPaddingKeyWithPkcs7Padding
+ *
+ * Verifies that a key that requires PKCS7 padding cannot be used in unpadded mode.
+ */
+TEST_P(EncryptionOperationsTest, TripleDesCbcNoPaddingKeyWithPkcs7Padding) {
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .TripleDesEncryptionKey(168)
+ .BlockMode(BlockMode::CBC)
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .Padding(PaddingMode::NONE)));
+
+ // Try various message lengths; all should fail.
+ for (size_t i = 0; i < 32; ++i) {
+ auto begin_params =
+ AuthorizationSetBuilder().BlockMode(BlockMode::CBC).Padding(PaddingMode::PKCS7);
+ EXPECT_EQ(ErrorCode::INCOMPATIBLE_PADDING_MODE, Begin(KeyPurpose::ENCRYPT, begin_params));
+ }
+}
+
+/*
+ * EncryptionOperationsTest.TripleDesCbcPkcs7PaddingCorrupted
+ *
+ * Verifies that corrupted PKCS7 padding is rejected during decryption.
+ */
+TEST_P(EncryptionOperationsTest, TripleDesCbcPkcs7PaddingCorrupted) {
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .TripleDesEncryptionKey(168)
+ .BlockMode(BlockMode::CBC)
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .Padding(PaddingMode::PKCS7)));
+
+ string message = "a";
+ vector<uint8_t> iv;
+ string ciphertext = EncryptMessage(message, BlockMode::CBC, PaddingMode::PKCS7, &iv);
+ EXPECT_EQ(8U, ciphertext.size());
+ EXPECT_NE(ciphertext, message);
+ ++ciphertext[ciphertext.size() / 2];
+
+ auto begin_params = AuthorizationSetBuilder()
+ .BlockMode(BlockMode::CBC)
+ .Padding(PaddingMode::PKCS7)
+ .Authorization(TAG_NONCE, iv);
+ EXPECT_EQ(ErrorCode::OK, Begin(KeyPurpose::DECRYPT, begin_params));
+ string plaintext;
+ int32_t input_consumed;
+ EXPECT_EQ(ErrorCode::OK, Update(ciphertext, &plaintext, &input_consumed));
+ EXPECT_EQ(ciphertext.size(), input_consumed);
+ EXPECT_EQ(ErrorCode::INVALID_ARGUMENT, Finish(&plaintext));
+}
+
+/*
+ * EncryptionOperationsTest, TripleDesCbcIncrementalNoPadding.
+ *
+ * Verifies that 3DES CBC works with many different input sizes.
+ */
+TEST_P(EncryptionOperationsTest, TripleDesCbcIncrementalNoPadding) {
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .TripleDesEncryptionKey(168)
+ .BlockMode(BlockMode::CBC)
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .Padding(PaddingMode::NONE)));
+
+ int increment = 7;
+ string message(240, 'a');
+ AuthorizationSet input_params =
+ AuthorizationSetBuilder().BlockMode(BlockMode::CBC).Padding(PaddingMode::NONE);
+ AuthorizationSet output_params;
+ EXPECT_EQ(ErrorCode::OK, Begin(KeyPurpose::ENCRYPT, input_params, &output_params));
+
+ string ciphertext;
+ int32_t input_consumed;
+ for (size_t i = 0; i < message.size(); i += increment)
+ EXPECT_EQ(ErrorCode::OK,
+ Update(message.substr(i, increment), &ciphertext, &input_consumed));
+ EXPECT_EQ(ErrorCode::OK, Finish(&ciphertext));
+ EXPECT_EQ(message.size(), ciphertext.size());
+
+ // Move TAG_NONCE into input_params
+ input_params = output_params;
+ input_params.push_back(TAG_BLOCK_MODE, BlockMode::CBC);
+ input_params.push_back(TAG_PADDING, PaddingMode::NONE);
+ output_params.Clear();
+
+ EXPECT_EQ(ErrorCode::OK, Begin(KeyPurpose::DECRYPT, input_params, &output_params));
+ string plaintext;
+ for (size_t i = 0; i < ciphertext.size(); i += increment)
+ EXPECT_EQ(ErrorCode::OK,
+ Update(ciphertext.substr(i, increment), &plaintext, &input_consumed));
+ EXPECT_EQ(ErrorCode::OK, Finish(&plaintext));
+ EXPECT_EQ(ciphertext.size(), plaintext.size());
+ EXPECT_EQ(message, plaintext);
+}
+
+INSTANTIATE_KEYMINT_AIDL_TEST(EncryptionOperationsTest);
+
+typedef KeyMintAidlTestBase MaxOperationsTest;
+
+/*
+ * MaxOperationsTest.TestLimitAes
+ *
+ * Verifies that the max uses per boot tag works correctly with AES keys.
+ */
+TEST_P(MaxOperationsTest, TestLimitAes) {
+ if (SecLevel() == SecurityLevel::STRONGBOX) return;
+
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .AesEncryptionKey(128)
+ .EcbMode()
+ .Padding(PaddingMode::NONE)
+ .Authorization(TAG_MAX_USES_PER_BOOT, 3)));
+
+ string message = "1234567890123456";
+
+ auto params = AuthorizationSetBuilder().EcbMode().Padding(PaddingMode::NONE);
+
+ EncryptMessage(message, params);
+ EncryptMessage(message, params);
+ EncryptMessage(message, params);
+
+ // Fourth time should fail.
+ EXPECT_EQ(ErrorCode::KEY_MAX_OPS_EXCEEDED, Begin(KeyPurpose::ENCRYPT, params));
+}
+
+/*
+ * MaxOperationsTest.TestLimitAes
+ *
+ * Verifies that the max uses per boot tag works correctly with RSA keys.
+ */
+TEST_P(MaxOperationsTest, TestLimitRsa) {
+ if (SecLevel() == SecurityLevel::STRONGBOX) return;
+
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .RsaSigningKey(1024, 65537)
+ .NoDigestOrPadding()
+ .Authorization(TAG_MAX_USES_PER_BOOT, 3)));
+
+ string message = "1234567890123456";
+
+ auto params = AuthorizationSetBuilder().NoDigestOrPadding();
+
+ SignMessage(message, params);
+ SignMessage(message, params);
+ SignMessage(message, params);
+
+ // Fourth time should fail.
+ EXPECT_EQ(ErrorCode::KEY_MAX_OPS_EXCEEDED, Begin(KeyPurpose::SIGN, params));
+}
+
+INSTANTIATE_KEYMINT_AIDL_TEST(MaxOperationsTest);
+
+typedef KeyMintAidlTestBase AddEntropyTest;
+
+/*
+ * AddEntropyTest.AddEntropy
+ *
+ * Verifies that the addRngEntropy method doesn't blow up. There's no way to test that entropy
+ * is actually added.
+ */
+TEST_P(AddEntropyTest, AddEntropy) {
+ string data = "foo";
+ EXPECT_TRUE(keyMint().addRngEntropy(vector<uint8_t>(data.begin(), data.end())).isOk());
+}
+
+/*
+ * AddEntropyTest.AddEmptyEntropy
+ *
+ * Verifies that the addRngEntropy method doesn't blow up when given an empty buffer.
+ */
+TEST_P(AddEntropyTest, AddEmptyEntropy) {
+ EXPECT_TRUE(keyMint().addRngEntropy(AidlBuf()).isOk());
+}
+
+/*
+ * AddEntropyTest.AddLargeEntropy
+ *
+ * Verifies that the addRngEntropy method doesn't blow up when given a largish amount of data.
+ */
+TEST_P(AddEntropyTest, AddLargeEntropy) {
+ EXPECT_TRUE(keyMint().addRngEntropy(AidlBuf(string(2 * 1024, 'a'))).isOk());
+}
+
+INSTANTIATE_KEYMINT_AIDL_TEST(AddEntropyTest);
+
+typedef KeyMintAidlTestBase AttestationTest;
+
+/*
+ * AttestationTest.RsaAttestation
+ *
+ * Verifies that attesting to RSA keys works and generates the expected output.
+ */
+// TODO(seleneh) add attestation tests back after decided on the new attestation
+// behavior under generateKey and importKey
+
+typedef KeyMintAidlTestBase KeyDeletionTest;
+
+/**
+ * KeyDeletionTest.DeleteKey
+ *
+ * This test checks that if rollback protection is implemented, DeleteKey invalidates a formerly
+ * valid key blob.
+ */
+TEST_P(KeyDeletionTest, DeleteKey) {
+ auto error = GenerateKey(AuthorizationSetBuilder()
+ .RsaSigningKey(2048, 65537)
+ .Digest(Digest::NONE)
+ .Padding(PaddingMode::NONE)
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .Authorization(TAG_ROLLBACK_RESISTANCE));
+ ASSERT_TRUE(error == ErrorCode::ROLLBACK_RESISTANCE_UNAVAILABLE || error == ErrorCode::OK);
+
+ // Delete must work if rollback protection is implemented
+ if (error == ErrorCode::OK) {
+ AuthorizationSet hardwareEnforced(key_characteristics_.hardwareEnforced);
+ ASSERT_TRUE(hardwareEnforced.Contains(TAG_ROLLBACK_RESISTANCE));
+
+ ASSERT_EQ(ErrorCode::OK, DeleteKey(true /* keep key blob */));
+
+ string message = "12345678901234567890123456789012";
+ AuthorizationSet begin_out_params;
+ EXPECT_EQ(ErrorCode::INVALID_KEY_BLOB,
+ Begin(KeyPurpose::SIGN, key_blob_,
+ AuthorizationSetBuilder().Digest(Digest::NONE).Padding(PaddingMode::NONE),
+ &begin_out_params));
+ AbortIfNeeded();
+ key_blob_ = AidlBuf();
+ }
+}
+
+/**
+ * KeyDeletionTest.DeleteInvalidKey
+ *
+ * This test checks that the HAL excepts invalid key blobs..
+ */
+TEST_P(KeyDeletionTest, DeleteInvalidKey) {
+ // Generate key just to check if rollback protection is implemented
+ auto error = GenerateKey(AuthorizationSetBuilder()
+ .RsaSigningKey(2048, 65537)
+ .Digest(Digest::NONE)
+ .Padding(PaddingMode::NONE)
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .Authorization(TAG_ROLLBACK_RESISTANCE));
+ ASSERT_TRUE(error == ErrorCode::ROLLBACK_RESISTANCE_UNAVAILABLE || error == ErrorCode::OK);
+
+ // Delete must work if rollback protection is implemented
+ if (error == ErrorCode::OK) {
+ AuthorizationSet hardwareEnforced(key_characteristics_.hardwareEnforced);
+ ASSERT_TRUE(hardwareEnforced.Contains(TAG_ROLLBACK_RESISTANCE));
+
+ // Delete the key we don't care about the result at this point.
+ DeleteKey();
+
+ // Now create an invalid key blob and delete it.
+ key_blob_ = AidlBuf("just some garbage data which is not a valid key blob");
+
+ ASSERT_EQ(ErrorCode::OK, DeleteKey());
+ }
+}
+
+/**
+ * KeyDeletionTest.DeleteAllKeys
+ *
+ * This test is disarmed by default. To arm it use --arm_deleteAllKeys.
+ *
+ * BEWARE: This test has serious side effects. All user keys will be lost! This includes
+ * FBE/FDE encryption keys, which means that the device will not even boot until after the
+ * device has been wiped manually (e.g., fastboot flashall -w), and new FBE/FDE keys have
+ * been provisioned. Use this test only on dedicated testing devices that have no valuable
+ * credentials stored in Keystore/Keymint.
+ */
+TEST_P(KeyDeletionTest, DeleteAllKeys) {
+ if (!arm_deleteAllKeys) return;
+ auto error = GenerateKey(AuthorizationSetBuilder()
+ .RsaSigningKey(2048, 65537)
+ .Digest(Digest::NONE)
+ .Padding(PaddingMode::NONE)
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .Authorization(TAG_ROLLBACK_RESISTANCE));
+ ASSERT_TRUE(error == ErrorCode::ROLLBACK_RESISTANCE_UNAVAILABLE || error == ErrorCode::OK);
+
+ // Delete must work if rollback protection is implemented
+ if (error == ErrorCode::OK) {
+ AuthorizationSet hardwareEnforced(key_characteristics_.hardwareEnforced);
+ ASSERT_TRUE(hardwareEnforced.Contains(TAG_ROLLBACK_RESISTANCE));
+
+ ASSERT_EQ(ErrorCode::OK, DeleteAllKeys());
+
+ string message = "12345678901234567890123456789012";
+ AuthorizationSet begin_out_params;
+
+ EXPECT_EQ(ErrorCode::INVALID_KEY_BLOB,
+ Begin(KeyPurpose::SIGN, key_blob_,
+ AuthorizationSetBuilder().Digest(Digest::NONE).Padding(PaddingMode::NONE),
+ &begin_out_params));
+ AbortIfNeeded();
+ key_blob_ = AidlBuf();
+ }
+}
+
+INSTANTIATE_KEYMINT_AIDL_TEST(KeyDeletionTest);
+
+using UpgradeKeyTest = KeyMintAidlTestBase;
+
+/*
+ * UpgradeKeyTest.UpgradeKey
+ *
+ * Verifies that calling upgrade key on an up-to-date key works (i.e. does nothing).
+ */
+TEST_P(UpgradeKeyTest, UpgradeKey) {
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .AesEncryptionKey(128)
+ .Padding(PaddingMode::NONE)
+ .Authorization(TAG_NO_AUTH_REQUIRED)));
+
+ auto result = UpgradeKey(key_blob_);
+
+ // Key doesn't need upgrading. Should get okay, but no new key blob.
+ EXPECT_EQ(result, std::make_pair(ErrorCode::OK, vector<uint8_t>()));
+}
+
+INSTANTIATE_KEYMINT_AIDL_TEST(UpgradeKeyTest);
+
+using ClearOperationsTest = KeyMintAidlTestBase;
+
+/*
+ * ClearSlotsTest.TooManyOperations
+ *
+ * Verifies that TOO_MANY_OPERATIONS is returned after the max number of
+ * operations are started without being finished or aborted. Also verifies
+ * that aborting the operations clears the operations.
+ *
+ */
+TEST_P(ClearOperationsTest, TooManyOperations) {
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .RsaEncryptionKey(2048, 65537)
+ .Padding(PaddingMode::NONE)));
+
+ auto params = AuthorizationSetBuilder().Padding(PaddingMode::NONE);
+ constexpr size_t max_operations = 100; // set to arbituary large number
+ sp<IKeyMintOperation> op_handles[max_operations];
+ AuthorizationSet out_params;
+ ErrorCode result;
+ size_t i;
+
+ for (i = 0; i < max_operations; i++) {
+ result = Begin(KeyPurpose::ENCRYPT, key_blob_, params, &out_params, op_handles[i]);
+ if (ErrorCode::OK != result) {
+ break;
+ }
+ }
+ EXPECT_EQ(ErrorCode::TOO_MANY_OPERATIONS, result);
+ // Try again just in case there's a weird overflow bug
+ EXPECT_EQ(ErrorCode::TOO_MANY_OPERATIONS,
+ Begin(KeyPurpose::ENCRYPT, key_blob_, params, &out_params));
+ for (size_t j = 0; j < i; j++) {
+ EXPECT_EQ(ErrorCode::OK, Abort(op_handles[j]))
+ << "Aboort failed for i = " << j << std::endl;
+ }
+ EXPECT_EQ(ErrorCode::OK, Begin(KeyPurpose::ENCRYPT, key_blob_, params, &out_params));
+ AbortIfNeeded();
+}
+
+INSTANTIATE_KEYMINT_AIDL_TEST(ClearOperationsTest);
+
+typedef KeyMintAidlTestBase TransportLimitTest;
+
+/*
+ * TransportLimitTest.FinishInput
+ *
+ * Verifies that passing input data to finish succeeds as expected.
+ */
+TEST_P(TransportLimitTest, LargeFinishInput) {
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .AesEncryptionKey(128)
+ .BlockMode(BlockMode::ECB)
+ .Padding(PaddingMode::NONE)));
+
+ for (int msg_size = 8 /* 256 bytes */; msg_size <= 11 /* 2 KiB */; msg_size++) {
+ auto cipher_params =
+ AuthorizationSetBuilder().BlockMode(BlockMode::ECB).Padding(PaddingMode::NONE);
+
+ AuthorizationSet out_params;
+ EXPECT_EQ(ErrorCode::OK, Begin(KeyPurpose::ENCRYPT, cipher_params, &out_params));
+
+ string plain_message = std::string(1 << msg_size, 'x');
+ string encrypted_message;
+ auto rc = Finish(plain_message, &encrypted_message);
+
+ EXPECT_EQ(ErrorCode::OK, rc);
+ EXPECT_EQ(plain_message.size(), encrypted_message.size())
+ << "Encrypt finish returned OK, but did not consume all of the given input";
+ cipher_params.push_back(out_params);
+
+ EXPECT_EQ(ErrorCode::OK, Begin(KeyPurpose::DECRYPT, cipher_params));
+
+ string decrypted_message;
+ rc = Finish(encrypted_message, &decrypted_message);
+ EXPECT_EQ(ErrorCode::OK, rc);
+ EXPECT_EQ(plain_message.size(), decrypted_message.size())
+ << "Decrypt finish returned OK, did not consume all of the given input";
+ }
+}
+
+INSTANTIATE_KEYMINT_AIDL_TEST(TransportLimitTest);
+
+} // namespace android::hardware::security::keymint::test
+
+int main(int argc, char** argv) {
+ ::testing::InitGoogleTest(&argc, argv);
+ for (int i = 1; i < argc; ++i) {
+ if (argv[i][0] == '-') {
+ if (std::string(argv[i]) == "--arm_deleteAllKeys") {
+ arm_deleteAllKeys = true;
+ }
+ if (std::string(argv[i]) == "--dump_attestations") {
+ dump_Attestations = true;
+ }
+ }
+ }
+ return RUN_ALL_TESTS();
+}
diff --git a/security/keymint/aidl/vts/functional/VerificationTokenTest.cpp b/security/keymint/aidl/vts/functional/VerificationTokenTest.cpp
new file mode 100644
index 0000000..6d3a34e
--- /dev/null
+++ b/security/keymint/aidl/vts/functional/VerificationTokenTest.cpp
@@ -0,0 +1,168 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "KeyMintAidlTestBase.h"
+
+namespace android::hardware::security::keymint::test {
+
+class VerificationTokenTest : public KeyMintAidlTestBase {
+ protected:
+ struct VerifyAuthorizationResult {
+ ErrorCode error;
+ VerificationToken token;
+ };
+
+ VerifyAuthorizationResult verifyAuthorization(uint64_t operationHandle,
+ const HardwareAuthToken& authToken) {
+ VerifyAuthorizationResult result;
+
+ Status err;
+ err = keyMint().verifyAuthorization(operationHandle, //
+ authToken, //
+ &result.token);
+
+ result.error = GetReturnErrorCode(err);
+ return result;
+ }
+
+ uint64_t getTime() {
+ struct timespec timespec;
+ EXPECT_EQ(0, clock_gettime(CLOCK_BOOTTIME, ×pec));
+ return timespec.tv_sec * 1000 + timespec.tv_nsec / 1000000;
+ }
+
+ int sleep_ms(uint32_t milliseconds) {
+ struct timespec sleep_time = {static_cast<time_t>(milliseconds / 1000),
+ static_cast<long>(milliseconds % 1000) * 1000000};
+ while (sleep_time.tv_sec || sleep_time.tv_nsec) {
+ if (nanosleep(&sleep_time /* to wait */,
+ &sleep_time /* remaining (on interrruption) */) == 0) {
+ sleep_time = {};
+ } else {
+ if (errno != EINTR) return errno;
+ }
+ }
+ return 0;
+ }
+};
+
+/*
+ * VerificationTokens exist to facilitate cross-KeyMint verification of requirements. As
+ * such, the precise capabilities required will vary depending on the specific vendor
+ * implementations. Essentially, VerificationTokens are a "hook" to enable vendor
+ * implementations to communicate, so the precise usage is defined by those vendors. The only
+ * thing we really can test is that tokens can be created by TEE keyMints, and that the
+ * timestamps increase as expected.
+ */
+TEST_P(VerificationTokenTest, TestCreation) {
+ auto result1 = verifyAuthorization(1 /* operation handle */, HardwareAuthToken());
+ auto result1_time = getTime();
+
+ if (SecLevel() == SecurityLevel::STRONGBOX) {
+ // StrongBox should not implement verifyAuthorization.
+ EXPECT_EQ(ErrorCode::UNIMPLEMENTED, result1.error);
+ return;
+ }
+
+ ASSERT_EQ(ErrorCode::OK, result1.error);
+ EXPECT_EQ(1U, result1.token.challenge);
+ EXPECT_EQ(SecLevel(), result1.token.securityLevel);
+ EXPECT_GT(result1.token.timestamp.milliSeconds, 0U);
+
+ constexpr uint32_t time_to_sleep = 200;
+ sleep_ms(time_to_sleep);
+
+ auto result2 = verifyAuthorization(2 /* operation handle */, HardwareAuthToken());
+
+ auto result2_time = getTime();
+ ASSERT_EQ(ErrorCode::OK, result2.error);
+ EXPECT_EQ(2U, result2.token.challenge);
+ EXPECT_EQ(SecLevel(), result2.token.securityLevel);
+
+ auto host_time_delta = result2_time - result1_time;
+
+ EXPECT_GE(host_time_delta, time_to_sleep)
+ << "We slept for " << time_to_sleep << " ms, the clock must have advanced by that much";
+ EXPECT_LE(host_time_delta, time_to_sleep + 20)
+ << "The verifyAuthorization call took " << (host_time_delta - time_to_sleep)
+ << " ms? That's awful!";
+
+ auto km_time_delta =
+ result2.token.timestamp.milliSeconds - result1.token.timestamp.milliSeconds;
+
+ // If not too much else is going on on the system, the time delta should be quite close. Allow
+ // 2 ms of slop just to avoid test flakiness.
+ //
+ // TODO(swillden): see if we can output values so they can be gathered across many runs and
+ // report if times aren't nearly always <1ms apart.
+ EXPECT_LE(host_time_delta, km_time_delta + 2);
+ EXPECT_LE(km_time_delta, host_time_delta + 2);
+ ASSERT_EQ(result1.token.mac.size(), result2.token.mac.size());
+ ASSERT_NE(0,
+ memcmp(result1.token.mac.data(), result2.token.mac.data(), result1.token.mac.size()));
+}
+
+/*
+ * Test that the mac changes when the time stamp changes. This is does not guarantee that the time
+ * stamp is included in the mac but on failure we know that it is not. Other than in the test
+ * case above we call verifyAuthorization with the exact same set of parameters.
+ */
+TEST_P(VerificationTokenTest, MacChangesOnChangingTimestamp) {
+ auto result1 = verifyAuthorization(0 /* operation handle */, HardwareAuthToken());
+ auto result1_time = getTime();
+
+ if (SecLevel() == SecurityLevel::STRONGBOX) {
+ // StrongBox should not implement verifyAuthorization.
+ EXPECT_EQ(ErrorCode::UNIMPLEMENTED, result1.error);
+ return;
+ }
+
+ EXPECT_EQ(ErrorCode::OK, result1.error);
+ EXPECT_EQ(0U, result1.token.challenge);
+ EXPECT_EQ(SecLevel(), result1.token.securityLevel);
+ EXPECT_GT(result1.token.timestamp.milliSeconds, 0U);
+
+ constexpr uint32_t time_to_sleep = 200;
+ sleep_ms(time_to_sleep);
+
+ auto result2 = verifyAuthorization(0 /* operation handle */, HardwareAuthToken());
+ // ASSERT_TRUE(result2.callSuccessful);
+ auto result2_time = getTime();
+ EXPECT_EQ(ErrorCode::OK, result2.error);
+ EXPECT_EQ(0U, result2.token.challenge);
+ EXPECT_EQ(SecLevel(), result2.token.securityLevel);
+
+ auto host_time_delta = result2_time - result1_time;
+
+ EXPECT_GE(host_time_delta, time_to_sleep)
+ << "We slept for " << time_to_sleep << " ms, the clock must have advanced by that much";
+ EXPECT_LE(host_time_delta, time_to_sleep + 20)
+ << "The verifyAuthorization call took " << (host_time_delta - time_to_sleep)
+ << " ms? That's awful!";
+
+ auto km_time_delta =
+ result2.token.timestamp.milliSeconds - result1.token.timestamp.milliSeconds;
+
+ EXPECT_LE(host_time_delta, km_time_delta + 2);
+ EXPECT_LE(km_time_delta, host_time_delta + 2);
+ ASSERT_EQ(result1.token.mac.size(), result2.token.mac.size());
+ ASSERT_NE(0,
+ memcmp(result1.token.mac.data(), result2.token.mac.data(), result1.token.mac.size()));
+}
+
+INSTANTIATE_KEYMINT_AIDL_TEST(VerificationTokenTest);
+
+} // namespace android::hardware::security::keymint::test