diff options
| author | Gilad Ben-Yossef <gilad@benyossef.com> | 2017-08-21 13:51:28 +0300 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2017-09-22 17:43:07 +0800 |
| commit | 4f0fc1600edbdb3612b931aa5076ca984f7ee8fe (patch) | |
| tree | f143c15e9e318822891695b3e30a97bc1a2a85b6 /include/crypto/sm3.h | |
| parent | 1c9fa294fe80f85c069c64d12b2429cf99a62937 (diff) | |
| download | lwn-4f0fc1600edbdb3612b931aa5076ca984f7ee8fe.tar.gz lwn-4f0fc1600edbdb3612b931aa5076ca984f7ee8fe.zip | |
crypto: sm3 - add OSCCA SM3 secure hash
Add OSCCA SM3 secure hash (OSCCA GM/T 0004-2012 SM3)
generic hash transformation.
Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'include/crypto/sm3.h')
| -rw-r--r-- | include/crypto/sm3.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/include/crypto/sm3.h b/include/crypto/sm3.h new file mode 100644 index 000000000000..1438942dc773 --- /dev/null +++ b/include/crypto/sm3.h @@ -0,0 +1,40 @@ +/* + * 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_finup(struct shash_desc *desc, const u8 *data, + unsigned int len, u8 *hash); +#endif |