Rename interface option hmac to key.

babeld.man

@@ -321,7 +321,7 @@ routes.  The default is 100.
 .RB { hmac-sha256 | blake2s } \c
 .BI " value" " value"
 Configure a key for use with the
-.B hmac
+.B key
 interface option.  The
 .B type
 is one of
@@ -465,7 +465,7 @@ and
 .BR 0
 otherwise.
 .TP
-.BI hmac " id"
+.BI key " id"
 Enable HMAC security on this interface, and use the key
 .IR id .
 .TP

configuration.c

@@ -680,7 +680,7 @@ parse_anonymous_ifconf(int c, gnc_t gnc, void *closure,
             if(c < -1 || penalty <= 0 || penalty > 0xFFFF)
                 goto error;
             if_conf->max_rtt_penalty = penalty;
-        } else if(strcmp(token, "hmac") == 0) {
+        } else if(strcmp(token, "key") == 0) {
             char *key_id;
             struct key *key;
             c = getword(c, &key_id, gnc, closure);