diff options
Diffstat (limited to 'crypto/evp/evp_lib.c')
| -rw-r--r-- | crypto/evp/evp_lib.c | 33 |
1 files changed, 27 insertions, 6 deletions
diff --git a/crypto/evp/evp_lib.c b/crypto/evp/evp_lib.c index d4d2b4b28081..b16d623a93f3 100644 --- a/crypto/evp/evp_lib.c +++ b/crypto/evp/evp_lib.c @@ -67,9 +67,19 @@ int EVP_CIPHER_param_to_asn1(EVP_CIPHER_CTX *c, ASN1_TYPE *type) if (c->cipher->set_asn1_parameters != NULL) ret = c->cipher->set_asn1_parameters(c, type); - else if (c->cipher->flags & EVP_CIPH_FLAG_DEFAULT_ASN1) - ret = EVP_CIPHER_set_asn1_iv(c, type); - else + else if (c->cipher->flags & EVP_CIPH_FLAG_DEFAULT_ASN1) { + switch (EVP_CIPHER_CTX_mode(c)) { + + case EVP_CIPH_GCM_MODE: + case EVP_CIPH_CCM_MODE: + case EVP_CIPH_XTS_MODE: + ret = -1; + break; + + default: + ret = EVP_CIPHER_set_asn1_iv(c, type); + } + } else ret = -1; return (ret); } @@ -80,9 +90,20 @@ int EVP_CIPHER_asn1_to_param(EVP_CIPHER_CTX *c, ASN1_TYPE *type) if (c->cipher->get_asn1_parameters != NULL) ret = c->cipher->get_asn1_parameters(c, type); - else if (c->cipher->flags & EVP_CIPH_FLAG_DEFAULT_ASN1) - ret = EVP_CIPHER_get_asn1_iv(c, type); - else + else if (c->cipher->flags & EVP_CIPH_FLAG_DEFAULT_ASN1) { + switch (EVP_CIPHER_CTX_mode(c)) { + + case EVP_CIPH_GCM_MODE: + case EVP_CIPH_CCM_MODE: + case EVP_CIPH_XTS_MODE: + ret = -1; + break; + + default: + ret = EVP_CIPHER_get_asn1_iv(c, type); + break; + } + } else ret = -1; return (ret); } |