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// Copyright 2012 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 "third_party/chromium/crypto/sha2.h"
#include <algorithm>
#include <openssl/sha.h>
namespace crypto {
void SHA256HashString(const std::string& str, uint8_t* output, size_t len) {
std::string hash = SHA256HashString(str);
len = std::min(hash.size(), len);
std::copy(hash.begin(), hash.begin() + len, output);
}
std::string SHA256HashString(const std::string& str) {
SHA256_CTX sha_context;
SHA256_Init(&sha_context);
SHA256_Update(&sha_context, str.data(), str.size());
std::string hash(kSHA256Length, 0);
SHA256_Final(reinterpret_cast<uint8_t*>(&hash[0]), &sha_context);
return hash;
}
} // namespace crypto
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