CFLAG_CBC
return (c->flags & CFLAG_CBC) != 0;
{ "3des-cbc", 8, 24, 0, 0, CFLAG_CBC, EVP_des_ede3_cbc },
{ "aes128-cbc", 16, 16, 0, 0, CFLAG_CBC, EVP_aes_128_cbc },
{ "aes192-cbc", 16, 24, 0, 0, CFLAG_CBC, EVP_aes_192_cbc },
{ "aes256-cbc", 16, 32, 0, 0, CFLAG_CBC, EVP_aes_256_cbc },