diff -ru gopher2_3.1.old/gopherd/authenticate.c
gopher2_3.1/gopherd/authenticate.c
--- gopher2_3.1.old/gopherd/authenticate.c      Sat Aug 12 16:34:57 2000
+++ gopher2_3.1/gopherd/authenticate.c  Sat Aug 12 16:51:40 2000
@@ -496,13 +496,10 @@
      Desnum        c;
      int i, keysize;

-/*     strcpy(keystr, user);
-     strcat(keystr, ip);
-     strcat(keystr, key); */
-       i = keysize = sizeof(keystr)-1;
-       strncpy(keystr, user, i), i -= strlen(keystr);
-       strncat(keystr, ip, i), i -= strlen(keystr);
-       strncat(keystr, key, i), keystr[keysize] = '\0';
+     keysize = sizeof(keystr)-1, memset(keystr, 0, keysize+1);
+     strncat(keystr, user, keysize), i = keysize - strlen(keystr);
+     strncat(keystr, ip, i), i = keysize - strlen(keystr);
+     strncat(keystr, key, i);

      Debug("Encoding key %s\n", keystr);