AES_DECRYPT
AES_cfb128_encrypt(at->out, out, at->out_len, &key, iv, &num, AES_DECRYPT);
32, AES_DECRYPT }, /* test vector 1 */
AES_DECRYPT);
AES_DECRYPT);
AES_DECRYPT);
AES_DECRYPT);
AES_DECRYPT);
AES_DECRYPT);
AES_DECRYPT);
AES_DECRYPT);
AES_cbc_encrypt(data, data, len, &ks->ks_aes[1], iv, AES_DECRYPT);
AES_cbc_encrypt(msg, msg, *msglen, &aes_key[1], iv, AES_DECRYPT);