int EVP_CIPHER_asn1_to_param(EVP_CIPHER_CTX *c, ASN1_TYPE *type) { int ret; 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) { switch (EVP_CIPHER_CTX_mode(c)) { case EVP_CIPH_WRAP_MODE: ret = 1; break; case EVP_CIPH_GCM_MODE: case EVP_CIPH_CCM_MODE: case EVP_CIPH_XTS_MODE: case EVP_CIPH_OCB_MODE: ret = -1; break; default: ret = EVP_CIPHER_get_asn1_iv(c, type); break; } } else ret = -1; return (ret); }
int EVP_CIPHER_asn1_to_param(EVP_CIPHER_CTX *c, ASN1_TYPE *type) { int ret; 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 ret=-1; return(ret); }