include/crypto/sm3.h

   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