186 	int i, pad_len;  in osdp_encrypt_data()  local
190 	pad_len = AES_PAD_LEN(length + 1);  in osdp_encrypt_data()
191 	if ((pad_len - length - 1) > 0) {  in osdp_encrypt_data()
192 		memset(data + length + 1, 0, pad_len - length - 1);  in osdp_encrypt_data()
199 	osdp_encrypt(pd->sc.s_enc, iv, data, pad_len);  in osdp_encrypt_data()
201 	return pad_len;  in osdp_encrypt_data()
207 	int pad_len;  in osdp_compute_mac()  local
212 	pad_len = (len % 16 == 0) ? len : AES_PAD_LEN(len);  in osdp_compute_mac()
224 	if (pad_len > 16) {  in osdp_compute_mac()
226 		osdp_encrypt(pd->sc.s_mac1, iv, buf, pad_len - 16);  in osdp_compute_mac()
228 		memcpy(iv, buf + pad_len - 32, 16);  in osdp_compute_mac()
232 	osdp_encrypt(pd->sc.s_mac2, iv, buf + pad_len - 16, 16);  in osdp_compute_mac()
233 	memcpy(is_cmd ? pd->sc.c_mac : pd->sc.r_mac, buf + pad_len - 16, 16);  in osdp_compute_mac()