1  /*
2   * Common values for SM3 algorithm
3   */
4  
5  #ifndef _CRYPTO_SM3_H
6  #define _CRYPTO_SM3_H
7  
8  #include <linux/types.h>
9  
10  #define SM3_DIGEST_SIZE	32
11  #define SM3_BLOCK_SIZE	64
12  
13  #define SM3_T1		0x79CC4519
14  #define SM3_T2		0x7A879D8A
15  
16  #define SM3_IVA		0x7380166f
17  #define SM3_IVB		0x4914b2b9
18  #define SM3_IVC		0x172442d7
19  #define SM3_IVD		0xda8a0600
20  #define SM3_IVE		0xa96f30bc
21  #define SM3_IVF		0x163138aa
22  #define SM3_IVG		0xe38dee4d
23  #define SM3_IVH		0xb0fb0e4e
24  
25  extern const u8 sm3_zero_message_hash[SM3_DIGEST_SIZE];
26  
27  struct sm3_state {
28  	u32 state[SM3_DIGEST_SIZE / 4];
29  	u64 count;
30  	u8 buffer[SM3_BLOCK_SIZE];
31  };
32  
33  struct shash_desc;
34  
35  extern int crypto_sm3_update(struct shash_desc *desc, const u8 *data,
36  			      unsigned int len);
37  
38  extern int crypto_sm3_finup(struct shash_desc *desc, const u8 *data,
39  			     unsigned int len, u8 *hash);
40  #endif
41