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linux-next/include/crypto/sm3.h
Tianjia Zhang f49282870f crypto: sm3 - export crypto_sm3_final function
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>
2020-09-25 17:48:53 +10:00

43 lines
897 B
C

/*
* Common values for SM3 algorithm
*/
#ifndef _CRYPTO_SM3_H
#define _CRYPTO_SM3_H
#include <linux/types.h>
#define SM3_DIGEST_SIZE 32
#define SM3_BLOCK_SIZE 64
#define SM3_T1 0x79CC4519
#define SM3_T2 0x7A879D8A
#define SM3_IVA 0x7380166f
#define SM3_IVB 0x4914b2b9
#define SM3_IVC 0x172442d7
#define SM3_IVD 0xda8a0600
#define SM3_IVE 0xa96f30bc
#define SM3_IVF 0x163138aa
#define SM3_IVG 0xe38dee4d
#define SM3_IVH 0xb0fb0e4e
extern const u8 sm3_zero_message_hash[SM3_DIGEST_SIZE];
struct sm3_state {
u32 state[SM3_DIGEST_SIZE / 4];
u64 count;
u8 buffer[SM3_BLOCK_SIZE];
};
struct shash_desc;
extern int crypto_sm3_update(struct shash_desc *desc, const u8 *data,
unsigned int len);
extern int crypto_sm3_final(struct shash_desc *desc, u8 *out);
extern int crypto_sm3_finup(struct shash_desc *desc, const u8 *data,
unsigned int len, u8 *hash);
#endif