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38 lines
1.2 KiB
38 lines
1.2 KiB
// |
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// Copyright (C) 2015 The Android Open Source Project |
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// |
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// Licensed under the Apache License, Version 2.0 (the "License"); |
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// you may not use this file except in compliance with the License. |
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// You may obtain a copy of the License at |
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// |
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// http://www.apache.org/licenses/LICENSE-2.0 |
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// |
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// Unless required by applicable law or agreed to in writing, software |
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// distributed under the License is distributed on an "AS IS" BASIS, |
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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// See the License for the specific language governing permissions and |
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// limitations under the License. |
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// |
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#include "tpm_manager/server/openssl_crypto_util_impl.h" |
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#include <base/logging.h> |
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#include <base/stl_util.h> |
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#include <openssl/rand.h> |
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namespace tpm_manager { |
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bool OpensslCryptoUtilImpl::GetRandomBytes(size_t num_bytes, |
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std::string* random_data) { |
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random_data->resize(num_bytes); |
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unsigned char* random_buffer = |
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reinterpret_cast<unsigned char*>(string_as_array(random_data)); |
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if (RAND_bytes(random_buffer, num_bytes) != 1) { |
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LOG(ERROR) << "Error getting random bytes using Openssl."; |
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random_data->clear(); |
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return false; |
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} |
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return true; |
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} |
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} // namespace tpm_manager
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