1/*
2 * SHA-1 in C
3 * By Steve Reid <sreid@sea-to-sky.net>
4 * 100% Public Domain
5 *
6*/
7
8// Ported to C++, Google style, under namespace rtc and uses basictypes.h
9
10#ifndef WEBRTC_BASE_SHA1_H_
11#define WEBRTC_BASE_SHA1_H_
12
13#include "webrtc/base/basictypes.h"
14
15namespace rtc {
16
17struct SHA1_CTX {
18  uint32 state[5];
19  // TODO: Change bit count to uint64.
20  uint32 count[2];  // Bit count of input.
21  uint8 buffer[64];
22};
23
24#define SHA1_DIGEST_SIZE 20
25
26void SHA1Init(SHA1_CTX* context);
27void SHA1Update(SHA1_CTX* context, const uint8* data, size_t len);
28void SHA1Final(SHA1_CTX* context, uint8 digest[SHA1_DIGEST_SIZE]);
29
30#endif  // WEBRTC_BASE_SHA1_H_
31
32}  // namespace rtc
33