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// Copyright (c) 2010 The Chromium 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 "base/sha2.h"
#include <openssl/ssl.h>
#include "base/basictypes.h"
#include "base/openssl_util.h"
#include "base/stl_util-inl.h"
namespace base {
void SHA256HashString(const std::string& str, void* output, size_t len) {
COMPILE_ASSERT(SHA256_LENGTH == SHA256_DIGEST_LENGTH,
API_and_OpenSSL_SHA256_lengths_must_match);
ScopedOpenSSLSafeSizeBuffer<SHA256_DIGEST_LENGTH> result(
reinterpret_cast<unsigned char*>(output), len);
::SHA256(reinterpret_cast<const unsigned char*>(str.data()), str.size(),
result.safe_buffer());
}
std::string SHA256HashString(const std::string& str) {
std::string output(SHA256_LENGTH, 0);
SHA256HashString(str, string_as_array(&output), output.size());
return output;
}
} // namespace base
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