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| author | Dmitry Belyavskiy <beldmit@gmail.com> | 2018-06-15 13:30:47 +0300 |
|---|---|---|
| committer | Dmitry Belyavskiy <beldmit@gmail.com> | 2018-06-15 13:30:47 +0300 |
| commit | 920ae61478fa9fc91068910254ca130637ce045a (patch) | |
| tree | 23628bed6267c5e30f4258a469e05309ab24c67a /gost_omac.c | |
| parent | 02519bca598ef347958d0fd70b1c2210afe4a5e4 (diff) | |
| download | gost-engine-920ae61478fa9fc91068910254ca130637ce045a.zip gost-engine-920ae61478fa9fc91068910254ca130637ce045a.tar.gz gost-engine-920ae61478fa9fc91068910254ca130637ce045a.tar.bz2 | |
Missing initialization
Diffstat (limited to 'gost_omac.c')
| -rw-r--r-- | gost_omac.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/gost_omac.c b/gost_omac.c index ad96662..23872bc 100644 --- a/gost_omac.c +++ b/gost_omac.c @@ -133,7 +133,23 @@ int omac_imit_ctrl(EVP_MD_CTX *ctx, int type, int arg, void *ptr) case EVP_MD_CTRL_SET_KEY: { OMAC_CTX *c = EVP_MD_CTX_md_data(ctx); - const EVP_CIPHER *cipher = EVP_get_cipherbynid(c->cipher_nid); + const EVP_MD *md = EVP_MD_CTX_md(ctx); + const EVP_CIPHER *cipher = NULL; + + if (c->cipher_nid == NID_undef) + { + switch (EVP_MD_nid(md)) + { + case NID_magma_mac: + c->cipher_nid = NID_magma_cbc; + break; + + case NID_grasshopper_mac: + c->cipher_nid = NID_grasshopper_cbc; + break; + } + } + cipher = EVP_get_cipherbynid(c->cipher_nid); if (cipher == NULL) { |