| /* |
| * Copyright 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. |
| */ |
| |
| #pragma once |
| |
| #include <cstdint> |
| #include <mutex> |
| |
| #include <aidl/android/hardware/security/sharedsecret/BnSharedSecret.h> |
| #include <aidl/android/hardware/security/sharedsecret/SharedSecretParameters.h> |
| #include <keymaster/km_openssl/soft_keymaster_enforcement.h> |
| |
| namespace aidl::android::hardware::security::sharedsecret { |
| |
| class SoftSharedSecret : public BnSharedSecret { |
| public: |
| ::ndk::ScopedAStatus getSharedSecretParameters(SharedSecretParameters* params) override; |
| ::ndk::ScopedAStatus computeSharedSecret(const std::vector<SharedSecretParameters>& params, |
| std::vector<uint8_t>* sharingCheck) override; |
| |
| keymaster::KeymasterKeyBlob HmacKey() const; |
| |
| private: |
| mutable std::mutex mutex_; |
| std::vector<std::uint8_t> seed_; |
| std::vector<std::uint8_t> nonce_; |
| keymaster::KeymasterKeyBlob hmac_key_; |
| }; |
| |
| } // namespace aidl::android::hardware::security::sharedsecret |