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
17 extern const u8 md5_zero_message_hash[MD5_DIGEST_SIZE];
18
19 struct md5_state {
20 u32 hash[MD5_HASH_WORDS];
21 u32 block[MD5_BLOCK_WORDS];
22 u64 byte_count;
23 };
24
25 #endif
26
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