utils: add TSIG name conversion to lower-case

src/utils/common/params.c

@@ -345,6 +345,7 @@ int params_parse_tsig(const char *value, knot_key_params_t *key_params)
 
 	/* Set key name and secret. */
 	key_params->name = knot_dname_new_from_nonfqdn_str(k, strlen(k), NULL);
+	knot_dname_to_lower(key_params->name);
 	key_params->secret = strdup(s);
 
 	DBG("%s: parsed name '%s'\n", __func__, k);