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 #define MD5_STATE_SIZE 24 12 13 #define MD5_H0 0x67452301UL 14 #define MD5_H1 0xefcdab89UL 15 #define MD5_H2 0x98badcfeUL 16 #define MD5_H3 0x10325476UL 17 18 extern const u8 md5_zero_message_hash[MD5_DIGEST_SIZE]; 19 20 struct md5_state { 21 u32 hash[MD5_HASH_WORDS]; 22 u64 byte_count; 23 u32 block[MD5_BLOCK_WORDS]; 24 }; 25 26 #endif 27