sha1.h revision ddb351dbec246cf1fab5ec20d2d5520909041de1 
1// Copyright (c) 2011 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#ifndef BASE_SHA1_H_
6#define BASE_SHA1_H_
7#pragma once
8
9#include <string>
10
11#include "base/base_api.h"
12
13namespace base {
14
15// This function performs SHA-1 operations.
16
17enum {
18  SHA1_LENGTH = 20  // Length in bytes of a SHA-1 hash.
19};
20
21// Computes the SHA-1 hash of the input string |str| and returns the full
22// hash.
23BASE_API std::string SHA1HashString(const std::string& str);
24
25// Computes the SHA-1 hash of the |len| bytes in |data| and puts the hash
26// in |hash|. |hash| must be SHA1_LENGTH bytes long.
27BASE_API void SHA1HashBytes(const unsigned char* data, size_t len,
28                            unsigned char* hash);
29
30}  // namespace base
31
32#endif  // BASE_SHA1_H_
33