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 19 struct fio_md5_ctx { 20 uint32_t *hash; 21 uint32_t block[MD5_BLOCK_WORDS]; 22 uint64_t byte_count; 23 }; 24 25 extern void fio_md5_update(struct fio_md5_ctx *, const uint8_t *, unsigned int); 26 extern void fio_md5_final(struct fio_md5_ctx *); 27 extern void fio_md5_init(struct fio_md5_ctx *); 28 29 #endif 30
