diff options
| author | Jeff Garzik <jeff@garzik.org> | 2016-06-17 10:30:35 +0530 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2016-06-20 19:25:01 +0800 |
| commit | 53964b9ee63b7075931b8df85307c449da564b50 (patch) | |
| tree | 5650ca6328973c090a3bf2ea8fdcf8ae58837061 /include/crypto | |
| parent | 6999d504d4be3ddacd7a01ae961886a66b6a53d9 (diff) | |
| download | lwn-53964b9ee63b7075931b8df85307c449da564b50.tar.gz lwn-53964b9ee63b7075931b8df85307c449da564b50.zip | |
crypto: sha3 - Add SHA-3 hash algorithm
This patch adds the implementation of SHA3 algorithm
in software and it's based on original implementation
pushed in patch https://lwn.net/Articles/518415/ with
additional changes to match the padding rules specified
in SHA-3 specification.
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Signed-off-by: Raveendra Padasalagi <raveendra.padasalagi@broadcom.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'include/crypto')
| -rw-r--r-- | include/crypto/sha3.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/include/crypto/sha3.h b/include/crypto/sha3.h new file mode 100644 index 000000000000..f4c9f68f5ffe --- /dev/null +++ b/include/crypto/sha3.h @@ -0,0 +1,29 @@ +/* + * Common values for SHA-3 algorithms + */ +#ifndef __CRYPTO_SHA3_H__ +#define __CRYPTO_SHA3_H__ + +#define SHA3_224_DIGEST_SIZE (224 / 8) +#define SHA3_224_BLOCK_SIZE (200 - 2 * SHA3_224_DIGEST_SIZE) + +#define SHA3_256_DIGEST_SIZE (256 / 8) +#define SHA3_256_BLOCK_SIZE (200 - 2 * SHA3_256_DIGEST_SIZE) + +#define SHA3_384_DIGEST_SIZE (384 / 8) +#define SHA3_384_BLOCK_SIZE (200 - 2 * SHA3_384_DIGEST_SIZE) + +#define SHA3_512_DIGEST_SIZE (512 / 8) +#define SHA3_512_BLOCK_SIZE (200 - 2 * SHA3_512_DIGEST_SIZE) + +struct sha3_state { + u64 st[25]; + unsigned int md_len; + unsigned int rsiz; + unsigned int rsizw; + + unsigned int partial; + u8 buf[SHA3_224_BLOCK_SIZE]; +}; + +#endif |