117 	uint8_t hmac[HMAC_LENGTH];  in dhcp_auth_validate()  local
184 		if (dlen < sizeof(secretid) + sizeof(hmac)) {  in dhcp_auth_validate()
193 		if (dlen < sizeof(secretid) + sizeof(hmac)) {  in dhcp_auth_validate()
197 		realm_len = dlen - (sizeof(secretid) + sizeof(hmac));  in dhcp_auth_validate()
327 	memset(hmac, 0, sizeof(hmac));  in dhcp_auth_validate()
330 		hmac_md5(mm, mlen, t->key, t->key_len, hmac);  in dhcp_auth_validate()
339 	if (memcmp(d, &hmac, dlen)) {  in dhcp_auth_validate()
480 	uint8_t hmac[HMAC_LENGTH];  in dhcp_auth_encode()  local
553 				dlen += sizeof(t->secretid) + sizeof(hmac);  in dhcp_auth_encode()
656 		hmac_md5(m, mlen, t->key, t->key_len, hmac);  in dhcp_auth_encode()
657 		memcpy(data, hmac, sizeof(hmac));  in dhcp_auth_encode()
670 	return (int)(dlen - sizeof(hmac)); /* should be zero */  in dhcp_auth_encode()