1 /****************************************************************************** 2 * 3 * The original Work has been changed by NXP. 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 * Copyright 2022-2023 NXP 18 * 19 ******************************************************************************/ 20 #pragma once 21 22 #include <memory> 23 #include <vector> 24 25 #include <aidl/android/hardware/security/sharedsecret/BnSharedSecret.h> 26 #include <aidl/android/hardware/security/sharedsecret/SharedSecretParameters.h> 27 28 #include "CborConverter.h" 29 #include "JavacardSecureElement.h" 30 31 namespace aidl::android::hardware::security::sharedsecret { 32 using ::keymint::javacard::CborConverter; 33 using ::keymint::javacard::JavacardSecureElement; 34 using ndk::ScopedAStatus; 35 using std::shared_ptr; 36 using std::vector; 37 38 class JavacardSharedSecret : public BnSharedSecret { 39 public: JavacardSharedSecret(shared_ptr<JavacardSecureElement> card)40 explicit JavacardSharedSecret(shared_ptr<JavacardSecureElement> card) : card_(std::move(card)) {} ~JavacardSharedSecret()41 virtual ~JavacardSharedSecret() {} 42 43 // Methods from ::ndk::ICInterface follow. 44 binder_status_t dump(int fd, const char** args, uint32_t num_args) override; 45 46 ScopedAStatus getSharedSecretParameters(SharedSecretParameters* params) override; 47 48 ScopedAStatus computeSharedSecret(const std::vector<SharedSecretParameters>& params, 49 std::vector<uint8_t>* secret) override; 50 51 private: 52 shared_ptr<JavacardSecureElement> card_; 53 CborConverter cbor_; 54 }; 55 56 } // namespace aidl::android::hardware::security::sharedsecret 57