1 // 2 // Copyright (C) 2015 The Android Open Source Project 3 // 4 // Licensed under the Apache License, Version 2.0 (the "License"); 5 // you may not use this file except in compliance with the License. 6 // You may obtain a copy of the License at 7 // 8 // http://www.apache.org/licenses/LICENSE-2.0 9 // 10 // Unless required by applicable law or agreed to in writing, software 11 // distributed under the License is distributed on an "AS IS" BASIS, 12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 // See the License for the specific language governing permissions and 14 // limitations under the License. 15 // 16 17 #ifndef TPM_MANAGER_SERVER_OPENSSL_CRYPTO_UTIL_IMPL_H_ 18 #define TPM_MANAGER_SERVER_OPENSSL_CRYPTO_UTIL_IMPL_H_ 19 20 #include <string> 21 22 #include <base/compiler_specific.h> 23 #include <base/macros.h> 24 25 #include "tpm_manager/server/openssl_crypto_util.h" 26 27 namespace tpm_manager { 28 29 // OpensslCryptoUtilImpl is the default implementation of the 30 // OpensslCryptoUtil interface. 31 // Example usage: 32 // OpensslCryptoUtilImpl util; 33 // std::string random_bytes; 34 // bool result = util.GetRandomBytes(5, &random_bytes); 35 class OpensslCryptoUtilImpl : public OpensslCryptoUtil { 36 public: 37 OpensslCryptoUtilImpl() = default; 38 ~OpensslCryptoUtilImpl() override = default; 39 40 // OpensslCryptoUtil methods. 41 bool GetRandomBytes(size_t num_bytes, 42 std::string* random_data) override WARN_UNUSED_RESULT; 43 44 private: 45 DISALLOW_COPY_AND_ASSIGN(OpensslCryptoUtilImpl); 46 }; 47 48 } // namespace tpm_manager 49 50 #endif // TPM_MANAGER_SERVER_OPENSSL_CRYPTO_UTIL_IMPL_H_ 51