1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _CRYPTO_MD5_H
3#define _CRYPTO_MD5_H
4
5#include <linux/types.h>
6
7#define MD5_DIGEST_SIZE 16
8#define MD5_HMAC_BLOCK_SIZE 64
9#define MD5_BLOCK_WORDS 16
10#define MD5_HASH_WORDS 4
11
12#define MD5_H0 0x67452301UL
13#define MD5_H1 0xefcdab89UL
14#define MD5_H2 0x98badcfeUL
15#define MD5_H3 0x10325476UL
16
17extern const u8 md5_zero_message_hash[MD5_DIGEST_SIZE];
18
19struct md5_state {
20 u32 hash[MD5_HASH_WORDS];
21 u32 block[MD5_BLOCK_WORDS];
22 u64 byte_count;
23};
24
25#endif
26

source code of linux/include/crypto/md5.h