| /* |
| ** |
| ** Copyright 2017, 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 KEYMASTER_3_DEVICE_WRAPPER_H_ |
| #define KEYMASTER_3_DEVICE_WRAPPER_H_ |
| |
| #include <android/hardware/keymaster/3.0/IKeymasterDevice.h> |
| #include <keystore/keymaster_types.h> |
| |
| #include "Keymaster.h" |
| |
| namespace keystore { |
| |
| using IKeymaster3Device = ::android::hardware::keymaster::V3_0::IKeymasterDevice; |
| |
| using ::android::sp; |
| using ::android::hardware::hidl_string; |
| using ::android::hardware::hidl_vec; |
| using ::android::hardware::Return; |
| using ::android::hardware::Void; |
| using ::android::hardware::details::return_status; |
| |
| class Keymaster3 : public Keymaster { |
| public: |
| Keymaster3(sp<IKeymaster3Device> km3_dev) : km3_dev_(km3_dev) {} |
| |
| VersionResult halVersion() override; |
| |
| Return<void> getHardwareInfo(getHardwareInfo_cb _hidl_cb); |
| |
| Return<void> getHmacSharingParameters(getHmacSharingParameters_cb _hidl_cb) override { |
| _hidl_cb(ErrorCode::UNIMPLEMENTED, {}); |
| return Void(); |
| } |
| |
| Return<void> computeSharedHmac(const hidl_vec<HmacSharingParameters>&, |
| computeSharedHmac_cb _hidl_cb) override { |
| _hidl_cb(ErrorCode::UNIMPLEMENTED, {}); |
| return Void(); |
| } |
| |
| Return<void> verifyAuthorization(uint64_t, const hidl_vec<KeyParameter>&, |
| const HardwareAuthToken&, |
| verifyAuthorization_cb _hidl_cb) override { |
| _hidl_cb(ErrorCode::UNIMPLEMENTED, {}); |
| return Void(); |
| } |
| |
| Return<ErrorCode> addRngEntropy(const hidl_vec<uint8_t>& data) override; |
| Return<void> generateKey(const hidl_vec<KeyParameter>& keyParams, |
| generateKey_cb _hidl_cb) override; |
| Return<void> getKeyCharacteristics(const hidl_vec<uint8_t>& keyBlob, |
| const hidl_vec<uint8_t>& clientId, |
| const hidl_vec<uint8_t>& appData, |
| getKeyCharacteristics_cb _hidl_cb) override; |
| Return<void> importKey(const hidl_vec<KeyParameter>& params, KeyFormat keyFormat, |
| const hidl_vec<uint8_t>& keyData, importKey_cb _hidl_cb) override; |
| |
| Return<void> importWrappedKey(const hidl_vec<uint8_t>&, const hidl_vec<uint8_t>&, |
| const hidl_vec<uint8_t>&, importWrappedKey_cb _hidl_cb) { |
| _hidl_cb(ErrorCode::UNIMPLEMENTED, {}, {}); |
| return Void(); |
| } |
| |
| Return<void> exportKey(KeyFormat exportFormat, const hidl_vec<uint8_t>& keyBlob, |
| const hidl_vec<uint8_t>& clientId, const hidl_vec<uint8_t>& appData, |
| exportKey_cb _hidl_cb) override; |
| Return<void> attestKey(const hidl_vec<uint8_t>& keyToAttest, |
| const hidl_vec<KeyParameter>& attestParams, |
| attestKey_cb _hidl_cb) override; |
| Return<void> upgradeKey(const hidl_vec<uint8_t>& keyBlobToUpgrade, |
| const hidl_vec<KeyParameter>& upgradeParams, |
| upgradeKey_cb _hidl_cb) override; |
| Return<ErrorCode> deleteKey(const hidl_vec<uint8_t>& keyBlob) override; |
| Return<ErrorCode> deleteAllKeys() override; |
| Return<ErrorCode> destroyAttestationIds() override; |
| Return<void> begin(KeyPurpose purpose, const hidl_vec<uint8_t>& key, |
| const hidl_vec<KeyParameter>& inParams, const HardwareAuthToken& authToken, |
| begin_cb _hidl_cb) override; |
| Return<void> update(uint64_t operationHandle, const hidl_vec<KeyParameter>& inParams, |
| const hidl_vec<uint8_t>& input, const HardwareAuthToken& authToken, |
| const VerificationToken& verificationToken, update_cb _hidl_cb) override; |
| Return<void> finish(uint64_t operationHandle, const hidl_vec<KeyParameter>& inParams, |
| const hidl_vec<uint8_t>& input, const hidl_vec<uint8_t>& signature, |
| const HardwareAuthToken& authToken, |
| const VerificationToken& verificationToken, finish_cb _hidl_cb) override; |
| Return<ErrorCode> abort(uint64_t operationHandle) override; |
| |
| private: |
| void getVersionIfNeeded(); |
| |
| sp<IKeymaster3Device> km3_dev_; |
| |
| bool haveVersion_ = false; |
| uint8_t majorVersion_; |
| bool isSecure_; |
| bool supportsEllipticCurve_; |
| bool supportsSymmetricCryptography_; |
| bool supportsAttestation_; |
| bool supportsAllDigests_; |
| std::string keymasterName_; |
| std::string authorName_; |
| }; |
| |
| sp<IKeymaster3Device> makeSoftwareKeymasterDevice(); |
| |
| } // namespace keystore |
| |
| #endif // KEYMASTER_3_DEVICE_WRAPPER_H_ |