1#ifndef MD5_H
2#define MD5_H
3
4#include <stdint.h>
5
6#define MD5_DIGEST_SIZE		16
7#define MD5_HMAC_BLOCK_SIZE	64
8#define MD5_BLOCK_WORDS		16
9#define MD5_HASH_WORDS		4
10
11#define F1(x, y, z)	(z ^ (x & (y ^ z)))
12#define F2(x, y, z)	F1(z, x, y)
13#define F3(x, y, z)	(x ^ y ^ z)
14#define F4(x, y, z)	(y ^ (x | ~z))
15
16#define MD5STEP(f, w, x, y, z, in, s) \
17	(w += f(x, y, z) + in, w = (w<<s | w>>(32-s)) + x)
18
19struct fio_md5_ctx {
20	uint32_t *hash;
21	uint32_t block[MD5_BLOCK_WORDS];
22	uint64_t byte_count;
23};
24
25extern void fio_md5_update(struct fio_md5_ctx *, const uint8_t *, unsigned int);
26extern void fio_md5_init(struct fio_md5_ctx *);
27
28#endif
29