1/*
2 * This is the header file for the MD5 message-digest algorithm.
3 * The algorithm is due to Ron Rivest.  This code was
4 * written by Colin Plumb in 1993, no copyright is claimed.
5 * This code is in the public domain; do with it what you wish.
6 *
7 * Equivalent code is available from RSA Data Security, Inc.
8 * This code has been tested against that, and is equivalent,
9 * except that you don't need to include two pages of legalese
10 * with every copy.
11 * To compute the message digest of a chunk of bytes, declare an
12 * MD5Context structure, pass it to MD5Init, call MD5Update as
13 * needed on buffers full of bytes, and then call MD5Final, which
14 * will fill a supplied 16-byte array with the digest.
15 *
16 */
17
18// Changes(fbarchard): Ported to C++ and Google style guide.
19// Made context first parameter in MD5Final for consistency with Sha1.
20
21#ifndef TALK_BASE_MD5_H_
22#define TALK_BASE_MD5_H_
23
24#include "talk/base/basictypes.h"
25
26// Canonical name for a MD5 context structure, used in many crypto libs.
27typedef struct MD5Context MD5_CTX;
28
29struct MD5Context {
30  uint32 buf[4];
31  uint32 bits[2];
32  uint32 in[16];
33};
34
35void MD5Init(MD5Context* context);
36void MD5Update(MD5Context* context, const uint8* data, size_t len);
37void MD5Final(MD5Context* context, uint8 digest[16]);
38void MD5Transform(uint32 buf[4], const uint32 in[16]);
39
40#endif  // TALK_BASE_MD5_H_
41