| #ifndef MD5_H |
| #define MD5_H |
| |
| #include <stdint.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 { |
| uint32_t hash[MD5_HASH_WORDS]; |
| uint32_t block[MD5_BLOCK_WORDS]; |
| uint64_t byte_count; |
| }; |
| |
| extern void md5_update(struct md5_ctx *, const uint8_t *, unsigned int); |
| |
| #endif |