Implement keymint V1 aidl interfaces, service module, and vts tests.
Bug: b/160968242
Test: atest VtsHalKeyMintV1_0TargetTest
Change-Id: I5f9d642f96e262dd567d88f4d582e621d168dceb
diff --git a/keymint/aidl/vts/functional/KeyMintAidlTestBase.cpp b/keymint/aidl/vts/functional/KeyMintAidlTestBase.cpp
new file mode 100644
index 0000000..0546149
--- /dev/null
+++ b/keymint/aidl/vts/functional/KeyMintAidlTestBase.cpp
@@ -0,0 +1,756 @@
+/*
+ * 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 <keymintSupport/key_param_output.h>
+#include <keymintSupport/keymint_utils.h>
+
+namespace android {
+namespace hardware {
+namespace 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 keymint
+} // namespace hardware
+} // namespace android