diff options
| author | Jussi Kivilinna <jussi.kivilinna@iki.fi> | 2015-08-10 22:09:56 +0300 |
|---|---|---|
| committer | Jussi Kivilinna <jussi.kivilinna@iki.fi> | 2015-08-10 22:09:56 +0300 |
| commit | 434ba17d1d5ad59c70d721ad3ecb376c2403a7e5 (patch) | |
| tree | 155d2fb6f8e4ab7e75e1b85a8623447439201ce8 /cipher/md.c | |
| parent | 49f52c67fb42c0656c8f9af655087f444562ca82 (diff) | |
| download | libgcrypt-434ba17d1d5ad59c70d721ad3ecb376c2403a7e5.tar.gz | |
Add generic SHA3 implementation
* cipher/hash-common.h (MD_BLOCK_MAX_BLOCKSIZE): Increase blocksize
USE_SHA3 enabled.
* cipher/keccak.c (SHA3_DELIMITED_SUFFIX, SHAKE_DELIMITED_SUFFIX): New.
(KECCAK_STATE): Add proper state.
(KECCAK_CONTEXT): Add 'outlen'.
(rol64, keccak_f1600_state_permute, transform_blk, transform): New.
(keccak_init): Add proper initialization.
(keccak_final): Add proper finalization.
(selftests_keccak): Add selftests.
(oid_spec_sha3_224, oid_spec_sha3_256, oid_spec_sha3_384)
(oid_spec_sha3_512): Add OID.
(_gcry_digest_spec_sha3_224, _gcry_digest_spec_sha3_256)
(_gcry_digest_spec_sha3_384, _gcry_digest_spec_sha3_512): Fix output
length.
* cipher/mac-hmac.c (map_mac_algo_to_md): Fix mapping for SHA3-512.
(hmac_get_keylen): Return proper blocksizes for SHA3 algorithms.
[USE_SHA3] (_gcry_mac_type_spec_hmac_sha3_224)
(_gcry_mac_type_spec_hmac_sha3_256, _gcry_mac_type_spec_hmac_sha3_384)
(_gcry_mac_type_spec_hmac_sha3_512): New.
* cipher/mac-internal [USE_SHA3] (_gcry_mac_type_spec_hmac_sha3_224)
(_gcry_mac_type_spec_hmac_sha3_256, _gcry_mac_type_spec_hmac_sha3_384)
(_gcry_mac_type_spec_hmac_sha3_512): New.
* cipher/mac.c (mac_list) [USE_SHA3]: Add SHA3 algorithms.
* cipher/md.c (md_open): Use proper SHA-3 blocksizes for HMAC macpads.
* tests/basic.c (check_digests): Add SHA3 test vectors.
--
Patch adds generic implementation for SHA3. Currently missing with this
patch:
- HMAC SHA3 test vectors, not available from NIST (yet?)
- ASNs
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
Diffstat (limited to 'cipher/md.c')
| -rw-r--r-- | cipher/md.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/cipher/md.c b/cipher/md.c index 0c669caa..19b2c9bc 100644 --- a/cipher/md.c +++ b/cipher/md.c @@ -337,10 +337,20 @@ md_open (gcry_md_hd_t *h, int algo, unsigned int flags) { switch (algo) { - case GCRY_MD_SHA384: - case GCRY_MD_SHA512: + case GCRY_MD_SHA3_224: + ctx->macpads_Bsize = 1152 / 8; + break; + case GCRY_MD_SHA3_256: + ctx->macpads_Bsize = 1088 / 8; + break; case GCRY_MD_SHA3_384: + ctx->macpads_Bsize = 832 / 8; + break; case GCRY_MD_SHA3_512: + ctx->macpads_Bsize = 576 / 8; + break; + case GCRY_MD_SHA384: + case GCRY_MD_SHA512: ctx->macpads_Bsize = 128; break; case GCRY_MD_GOSTR3411_94: |