Gilad Ben-Yossef | 4f0fc16 | 2017-08-21 13:51:28 +0300 | [diff] [blame] | 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 |