1*4d7e907cSAndroid Build Coastguard Worker /* 2*4d7e907cSAndroid Build Coastguard Worker * Copyright 2020, The Android Open Source Project 3*4d7e907cSAndroid Build Coastguard Worker * 4*4d7e907cSAndroid Build Coastguard Worker * Licensed under the Apache License, Version 2.0 (the "License"); 5*4d7e907cSAndroid Build Coastguard Worker * you may not use this file except in compliance with the License. 6*4d7e907cSAndroid Build Coastguard Worker * You may obtain a copy of the License at 7*4d7e907cSAndroid Build Coastguard Worker * 8*4d7e907cSAndroid Build Coastguard Worker * http://www.apache.org/licenses/LICENSE-2.0 9*4d7e907cSAndroid Build Coastguard Worker * 10*4d7e907cSAndroid Build Coastguard Worker * Unless required by applicable law or agreed to in writing, software 11*4d7e907cSAndroid Build Coastguard Worker * distributed under the License is distributed on an "AS IS" BASIS, 12*4d7e907cSAndroid Build Coastguard Worker * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13*4d7e907cSAndroid Build Coastguard Worker * See the License for the specific language governing permissions and 14*4d7e907cSAndroid Build Coastguard Worker * limitations under the License. 15*4d7e907cSAndroid Build Coastguard Worker */ 16*4d7e907cSAndroid Build Coastguard Worker 17*4d7e907cSAndroid Build Coastguard Worker #pragma once 18*4d7e907cSAndroid Build Coastguard Worker 19*4d7e907cSAndroid Build Coastguard Worker #include <cstdint> 20*4d7e907cSAndroid Build Coastguard Worker #include <mutex> 21*4d7e907cSAndroid Build Coastguard Worker 22*4d7e907cSAndroid Build Coastguard Worker #include <aidl/android/hardware/security/sharedsecret/BnSharedSecret.h> 23*4d7e907cSAndroid Build Coastguard Worker #include <aidl/android/hardware/security/sharedsecret/SharedSecretParameters.h> 24*4d7e907cSAndroid Build Coastguard Worker #include <keymaster/km_openssl/soft_keymaster_enforcement.h> 25*4d7e907cSAndroid Build Coastguard Worker 26*4d7e907cSAndroid Build Coastguard Worker namespace aidl::android::hardware::security::sharedsecret { 27*4d7e907cSAndroid Build Coastguard Worker 28*4d7e907cSAndroid Build Coastguard Worker class SoftSharedSecret : public BnSharedSecret { 29*4d7e907cSAndroid Build Coastguard Worker public: 30*4d7e907cSAndroid Build Coastguard Worker ::ndk::ScopedAStatus getSharedSecretParameters(SharedSecretParameters* params) override; 31*4d7e907cSAndroid Build Coastguard Worker ::ndk::ScopedAStatus computeSharedSecret(const std::vector<SharedSecretParameters>& params, 32*4d7e907cSAndroid Build Coastguard Worker std::vector<uint8_t>* sharingCheck) override; 33*4d7e907cSAndroid Build Coastguard Worker 34*4d7e907cSAndroid Build Coastguard Worker keymaster::KeymasterKeyBlob HmacKey() const; 35*4d7e907cSAndroid Build Coastguard Worker 36*4d7e907cSAndroid Build Coastguard Worker private: 37*4d7e907cSAndroid Build Coastguard Worker mutable std::mutex mutex_; 38*4d7e907cSAndroid Build Coastguard Worker std::vector<std::uint8_t> seed_; 39*4d7e907cSAndroid Build Coastguard Worker std::vector<std::uint8_t> nonce_; 40*4d7e907cSAndroid Build Coastguard Worker keymaster::KeymasterKeyBlob hmac_key_; 41*4d7e907cSAndroid Build Coastguard Worker }; 42*4d7e907cSAndroid Build Coastguard Worker 43*4d7e907cSAndroid Build Coastguard Worker } // namespace aidl::android::hardware::security::sharedsecret 44