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Both crypto_sm3_update and crypto_sm3_finup have been exported, exporting crypto_sm3_final, to avoid having to use crypto_sm3_finup(desc, NULL, 0, dgst) to calculate the hash in some cases. Signed-off-by: Tianjia Zhang <tianjia.zhang@linux.alibaba.com> Tested-by: Xufeng Zhang <yunbo.xufeng@linux.alibaba.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
43 lines
897 B
C
43 lines
897 B
C
/*
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* Common values for SM3 algorithm
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*/
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#ifndef _CRYPTO_SM3_H
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#define _CRYPTO_SM3_H
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#include <linux/types.h>
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#define SM3_DIGEST_SIZE 32
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#define SM3_BLOCK_SIZE 64
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#define SM3_T1 0x79CC4519
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#define SM3_T2 0x7A879D8A
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#define SM3_IVA 0x7380166f
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#define SM3_IVB 0x4914b2b9
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#define SM3_IVC 0x172442d7
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#define SM3_IVD 0xda8a0600
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#define SM3_IVE 0xa96f30bc
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#define SM3_IVF 0x163138aa
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#define SM3_IVG 0xe38dee4d
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#define SM3_IVH 0xb0fb0e4e
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extern const u8 sm3_zero_message_hash[SM3_DIGEST_SIZE];
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struct sm3_state {
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u32 state[SM3_DIGEST_SIZE / 4];
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u64 count;
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u8 buffer[SM3_BLOCK_SIZE];
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};
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struct shash_desc;
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extern int crypto_sm3_update(struct shash_desc *desc, const u8 *data,
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unsigned int len);
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extern int crypto_sm3_final(struct shash_desc *desc, u8 *out);
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extern int crypto_sm3_finup(struct shash_desc *desc, const u8 *data,
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unsigned int len, u8 *hash);
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#endif
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