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// Copyright 2015 The Chromium OS Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "tpm_manager/server/openssl_crypto_util.h"
#include <base/logging.h>
#include <base/stl_util.h>
#include <openssl/rand.h>
namespace tpm_manager {
bool OpensslCryptoUtil::GetRandomBytes(size_t num_bytes,
std::string* random_data) {
random_data->resize(num_bytes);
unsigned char* random_buffer =
reinterpret_cast<unsigned char*>(string_as_array(random_data));
if (RAND_bytes(random_buffer, num_bytes) != 1) {
LOG(ERROR) << "Error getting random bytes using Openssl.";
random_data->clear();
return false;
}
return true;
}
} // namespace tpm_manager
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