2
0
mirror of https://github.com/edk2-porting/linux-next.git synced 2024-12-26 06:04:14 +08:00
linux-next/include/crypto/md5.h
LABBE Corentin 0c4c78de04 crypto: hash - add zero length message hash for shax and md5
Some crypto drivers cannot process empty data message and return a
precalculated hash for md5/sha1/sha224/sha256.

This patch add thoses precalculated hash in include/crypto.

Signed-off-by: LABBE Corentin <clabbe.montjoie@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2015-12-22 20:43:35 +08:00

25 lines
458 B
C

#ifndef _CRYPTO_MD5_H
#define _CRYPTO_MD5_H
#include <linux/types.h>
#define MD5_DIGEST_SIZE 16
#define MD5_HMAC_BLOCK_SIZE 64
#define MD5_BLOCK_WORDS 16
#define MD5_HASH_WORDS 4
#define MD5_H0 0x67452301UL
#define MD5_H1 0xefcdab89UL
#define MD5_H2 0x98badcfeUL
#define MD5_H3 0x10325476UL
extern const u8 md5_zero_message_hash[MD5_DIGEST_SIZE];
struct md5_state {
u32 hash[MD5_HASH_WORDS];
u32 block[MD5_BLOCK_WORDS];
u64 byte_count;
};
#endif