30 lines
848 B
C++
30 lines
848 B
C++
// 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>
|
|
|
|
#include <base/memory/scoped_ptr.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
|