Add Identity Credential HAL, default implementation, and VTS tests.
IIdentityCredentialStore provides an interface to a secure store for
user identity documents. This HAL is deliberately fairly general and
abstract. To the extent possible, specification of the message
formats and semantics of communication with credential verification
devices and issuing authorities (IAs) is out of scope for this HAL.
It provides the interface with secure storage but a
credential-specific Android application will be required to implement
the presentation and verification protocols and processes appropriate
for the specific credential type.
Bug: 111446262
Test: VtsHalIdentityCredentialTargetTest
Test: android.hardware.identity-support-lib-test
Test: CtsIdentityTestCases
Change-Id: I64eb50114d645dd475012ad1b889d2177aaf1d37
diff --git a/identity/1.0/default/WritableIdentityCredential.h b/identity/1.0/default/WritableIdentityCredential.h
new file mode 100644
index 0000000..9f4e303
--- /dev/null
+++ b/identity/1.0/default/WritableIdentityCredential.h
@@ -0,0 +1,105 @@
+/*
+ * Copyright 2019, 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 ANDROID_HARDWARE_IDENTITY_WRITABLEIDENTITYCREDENTIAL_H
+#define ANDROID_HARDWARE_IDENTITY_WRITABLEIDENTITYCREDENTIAL_H
+
+#include <android/hardware/identity/1.0/IWritableIdentityCredential.h>
+
+#include <android/hardware/identity/support/IdentityCredentialSupport.h>
+
+#include <cppbor.h>
+
+namespace android {
+namespace hardware {
+namespace identity {
+namespace implementation {
+
+using ::std::string;
+using ::std::vector;
+
+using ::android::hardware::hidl_string;
+using ::android::hardware::hidl_vec;
+using ::android::hardware::Return;
+using ::android::hardware::Void;
+using ::android::hardware::identity::V1_0::IWritableIdentityCredential;
+using ::android::hardware::identity::V1_0::Result;
+using ::android::hardware::identity::V1_0::ResultCode;
+using ::android::hardware::identity::V1_0::SecureAccessControlProfile;
+
+class WritableIdentityCredential : public IWritableIdentityCredential {
+ public:
+ WritableIdentityCredential(const hidl_string& docType, bool testCredential)
+ : docType_(docType), testCredential_(testCredential) {}
+
+ // Creates the Credential Key. Returns false on failure. Must be called
+ // right after construction.
+ bool initialize();
+
+ // Methods from ::android::hardware::identity::IWritableIdentityCredential
+ // follow.
+ Return<void> getAttestationCertificate(const hidl_vec<uint8_t>& attestationChallenge,
+ getAttestationCertificate_cb _hidl_cb) override;
+
+ Return<void> startPersonalization(uint16_t accessControlProfileCount,
+ const hidl_vec<uint16_t>& entryCounts,
+ startPersonalization_cb _hidl_cb) override;
+
+ Return<void> addAccessControlProfile(uint16_t id, const hidl_vec<uint8_t>& readerCertificate,
+ bool userAuthenticationRequired, uint64_t timeoutMillis,
+ uint64_t secureUserId,
+ addAccessControlProfile_cb _hidl_cb) override;
+
+ Return<void> beginAddEntry(const hidl_vec<uint16_t>& accessControlProfileIds,
+ const hidl_string& nameSpace, const hidl_string& name,
+ uint32_t entrySize, beginAddEntry_cb _hidl_cb) override;
+
+ Return<void> addEntryValue(const hidl_vec<uint8_t>& content,
+ addEntryValue_cb _hidl_cb) override;
+
+ Return<void> finishAddingEntries(finishAddingEntries_cb _hidl_cb) override;
+
+ private:
+ string docType_;
+ bool testCredential_;
+
+ // These are set in initialize().
+ vector<uint8_t> storageKey_;
+ vector<uint8_t> credentialPrivKey_;
+ vector<uint8_t> credentialPubKey_;
+
+ // These fields are initialized during startPersonalization()
+ size_t numAccessControlProfileRemaining_;
+ vector<uint16_t> remainingEntryCounts_;
+ cppbor::Array signedDataAccessControlProfiles_;
+ cppbor::Map signedDataNamespaces_;
+ cppbor::Array signedDataCurrentNamespace_;
+
+ // These fields are initialized during beginAddEntry()
+ size_t entryRemainingBytes_;
+ vector<uint8_t> entryAdditionalData_;
+ string entryNameSpace_;
+ string entryName_;
+ vector<uint16_t> entryAccessControlProfileIds_;
+ vector<uint8_t> entryBytes_;
+};
+
+} // namespace implementation
+} // namespace identity
+} // namespace hardware
+} // namespace android
+
+#endif // ANDROID_HARDWARE_IDENTITY_WRITABLEIDENTITYCREDENTIAL_H