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https://github.com/torvalds/linux
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0c4c78de04
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>
24 lines
458 B
C
24 lines
458 B
C
#ifndef _CRYPTO_MD5_H
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#define _CRYPTO_MD5_H
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#include <linux/types.h>
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#define MD5_DIGEST_SIZE 16
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#define MD5_HMAC_BLOCK_SIZE 64
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#define MD5_BLOCK_WORDS 16
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#define MD5_HASH_WORDS 4
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#define MD5_H0 0x67452301UL
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#define MD5_H1 0xefcdab89UL
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#define MD5_H2 0x98badcfeUL
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#define MD5_H3 0x10325476UL
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extern const u8 md5_zero_message_hash[MD5_DIGEST_SIZE];
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struct md5_state {
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u32 hash[MD5_HASH_WORDS];
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u32 block[MD5_BLOCK_WORDS];
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u64 byte_count;
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};
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#endif
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