[disktools.git] / md5.h

#ifndef MD5_H
#define MD5_H

#define MD5_DIGEST_SIZE		16
#define MD5_HMAC_BLOCK_SIZE	64
#define MD5_BLOCK_WORDS		16
#define MD5_HASH_WORDS		4

#define F1(x, y, z)	(z ^ (x & (y ^ z)))
#define F2(x, y, z)	F1(z, x, y)
#define F3(x, y, z)	(x ^ y ^ z)
#define F4(x, y, z)	(y ^ (x | ~z))

#define MD5STEP(f, w, x, y, z, in, s) \
	(w += f(x, y, z) + in, w = (w<<s | w>>(32-s)) + x)

struct md5_ctx {
	__u32 hash[MD5_HASH_WORDS];
	__u32 block[MD5_BLOCK_WORDS];
	__u64 byte_count;
};

extern void md5_update(struct md5_ctx *, const __u8 *, unsigned int);

#endif
Commit	Line	Data
e8457004 JA	1	#ifndef MD5_H
	2	#define MD5_H
	3
	4	#define MD5_DIGEST_SIZE 16
	5	#define MD5_HMAC_BLOCK_SIZE 64
	6	#define MD5_BLOCK_WORDS 16
	7	#define MD5_HASH_WORDS 4
	8
	9	#define F1(x, y, z) (z ^ (x & (y ^ z)))
	10	#define F2(x, y, z) F1(z, x, y)
	11	#define F3(x, y, z) (x ^ y ^ z)
	12	#define F4(x, y, z) (y ^ (x \| ~z))
	13
	14	#define MD5STEP(f, w, x, y, z, in, s) \
	15	(w += f(x, y, z) + in, w = (w<<s \| w>>(32-s)) + x)
	16
	17	struct md5_ctx {
	18	__u32 hash[MD5_HASH_WORDS];
	19	__u32 block[MD5_BLOCK_WORDS];
	20	__u64 byte_count;
	21	};
	22
	23	extern void md5_update(struct md5_ctx , const __u8 , unsigned int);
	24
	25	#endif