blob: 8e053889d2cd4da005e59561b60a7c86fed6259a [file] [log] [blame]
// 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 <string>
namespace crypto {
// These functions perform SHA-256 operations.
// Functions for SHA-384 and SHA-512 can be added when the need arises.
static const size_t kSHA256Length = 32; // Length in bytes of a SHA-256 hash.
// Computes the SHA-256 hash of the input string 'str' and stores the first
// 'len' bytes of the hash in the output buffer 'output'. If 'len' > 32,
// only 32 bytes (the full hash) are stored in the 'output' buffer.
void SHA256HashString(const std::string& str, uint8_t* output, size_t len);
// Convenience version of the above that returns the result in a 32-byte
// string.
std::string SHA256HashString(const std::string& str);
} // namespace crypto