1 /* 2 ** 3 ** Copyright 2017, The Android Open Source Project 4 ** 5 ** Licensed under the Apache License, Version 2.0 (the "License"); 6 ** you may not use this file except in compliance with the License. 7 ** You may obtain a copy of the License at 8 ** 9 ** http://www.apache.org/licenses/LICENSE-2.0 10 ** 11 ** Unless required by applicable law or agreed to in writing, software 12 ** distributed under the License is distributed on an "AS IS" BASIS, 13 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 ** See the License for the specific language governing permissions and 15 ** limitations under the License. 16 */ 17 18 #ifndef keymaster_V4_0_TrustyKeymaster4Device_H_ 19 #define keymaster_V4_0_TrustyKeymaster4Device_H_ 20 21 #include <android/hardware/keymaster/4.0/IKeymasterDevice.h> 22 #include <hidl/Status.h> 23 #include <trusty_keymaster/TrustyKeymaster.h> 24 25 namespace keymaster { 26 27 namespace V4_0 { 28 29 using ::android::sp; 30 using ::android::hardware::hidl_vec; 31 using ::android::hardware::Return; 32 using ::android::hardware::Void; 33 using ::android::hardware::keymaster::V4_0::ErrorCode; 34 using ::android::hardware::keymaster::V4_0::HardwareAuthenticatorType; 35 using ::android::hardware::keymaster::V4_0::HardwareAuthToken; 36 using ::android::hardware::keymaster::V4_0::HmacSharingParameters; 37 using ::android::hardware::keymaster::V4_0::IKeymasterDevice; 38 using ::android::hardware::keymaster::V4_0::KeyCharacteristics; 39 using ::android::hardware::keymaster::V4_0::KeyFormat; 40 using ::android::hardware::keymaster::V4_0::KeyParameter; 41 using ::android::hardware::keymaster::V4_0::KeyPurpose; 42 using ::android::hardware::keymaster::V4_0::SecurityLevel; 43 using ::android::hardware::keymaster::V4_0::Tag; 44 using ::android::hardware::keymaster::V4_0::VerificationToken; 45 46 class TrustyKeymaster4Device : public IKeymasterDevice { 47 public: 48 explicit TrustyKeymaster4Device(TrustyKeymaster* impl); 49 virtual ~TrustyKeymaster4Device(); 50 51 Return<void> getHardwareInfo(getHardwareInfo_cb _hidl_cb) override; 52 Return<void> getHmacSharingParameters(getHmacSharingParameters_cb _hidl_cb) override; 53 Return<void> computeSharedHmac(const hidl_vec<HmacSharingParameters>& params, 54 computeSharedHmac_cb) override; 55 Return<void> verifyAuthorization(uint64_t challenge, 56 const hidl_vec<KeyParameter>& parametersToVerify, 57 const HardwareAuthToken& authToken, 58 verifyAuthorization_cb _hidl_cb) override; 59 Return<ErrorCode> addRngEntropy(const hidl_vec<uint8_t>& data) override; 60 Return<void> generateKey(const hidl_vec<KeyParameter>& keyParams, 61 generateKey_cb _hidl_cb) override; 62 Return<void> getKeyCharacteristics(const hidl_vec<uint8_t>& keyBlob, 63 const hidl_vec<uint8_t>& clientId, 64 const hidl_vec<uint8_t>& appData, 65 getKeyCharacteristics_cb _hidl_cb) override; 66 Return<void> importKey(const hidl_vec<KeyParameter>& params, KeyFormat keyFormat, 67 const hidl_vec<uint8_t>& keyData, importKey_cb _hidl_cb) override; 68 Return<void> importWrappedKey(const hidl_vec<uint8_t>& wrappedKeyData, 69 const hidl_vec<uint8_t>& wrappingKeyBlob, 70 const hidl_vec<uint8_t>& maskingKey, 71 const hidl_vec<KeyParameter>& unwrappingParams, 72 uint64_t passwordSid, uint64_t biometricSid, 73 importWrappedKey_cb _hidl_cb) override; 74 Return<void> exportKey(KeyFormat exportFormat, const hidl_vec<uint8_t>& keyBlob, 75 const hidl_vec<uint8_t>& clientId, const hidl_vec<uint8_t>& appData, 76 exportKey_cb _hidl_cb) override; 77 Return<void> attestKey(const hidl_vec<uint8_t>& keyToAttest, 78 const hidl_vec<KeyParameter>& attestParams, 79 attestKey_cb _hidl_cb) override; 80 Return<void> upgradeKey(const hidl_vec<uint8_t>& keyBlobToUpgrade, 81 const hidl_vec<KeyParameter>& upgradeParams, 82 upgradeKey_cb _hidl_cb) override; 83 Return<ErrorCode> deleteKey(const hidl_vec<uint8_t>& keyBlob) override; 84 Return<ErrorCode> deleteAllKeys() override; 85 Return<ErrorCode> destroyAttestationIds() override; 86 Return<void> begin(KeyPurpose purpose, const hidl_vec<uint8_t>& key, 87 const hidl_vec<KeyParameter>& inParams, const HardwareAuthToken& authToken, 88 begin_cb _hidl_cb) override; 89 Return<void> update(uint64_t operationHandle, const hidl_vec<KeyParameter>& inParams, 90 const hidl_vec<uint8_t>& input, const HardwareAuthToken& authToken, 91 const VerificationToken& verificationToken, update_cb _hidl_cb) override; 92 Return<void> finish(uint64_t operationHandle, const hidl_vec<KeyParameter>& inParams, 93 const hidl_vec<uint8_t>& input, const hidl_vec<uint8_t>& signature, 94 const HardwareAuthToken& authToken, 95 const VerificationToken& verificationToken, finish_cb _hidl_cb) override; 96 Return<ErrorCode> abort(uint64_t operationHandle) override; 97 98 private: 99 std::unique_ptr<::keymaster::TrustyKeymaster> impl_; 100 }; 101 102 } // namespace V4_0 103 } // namespace keymaster 104 105 #endif // keymaster_V4_0_TrustyKeymaster4Device_H_ 106