Initial revision.

diff --git a/v7/src/microcode/gen-nonce.c b/v7/src/microcode/gen-nonce.c
new file mode 100644 (file)
index 0000000..7ed1624
--- /dev/null
+++ b/v7/src/microcode/gen-nonce.c
@@ -0,0 +1,67 @@
+/* -*-C-*-
+
+$Id: gen-nonce.c,v 1.1 2007/05/23 17:18:01 cph Exp $
+
+Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
+    1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
+    2006, 2007 Massachusetts Institute of Technology
+
+This file is part of MIT/GNU Scheme.
+
+MIT/GNU Scheme is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or (at
+your option) any later version.
+
+MIT/GNU Scheme is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with MIT/GNU Scheme; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301,
+USA.
+
+*/
+
+/* Utility to generate nonces for liarc.  */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+
+static void usage (const char *);
+
+int
+main (int argc, const char ** argv)
+{
+  unsigned int n_bytes;
+  unsigned int i;
+
+  if (argc != 2)
+    usage (argv[0]);
+  {
+    int na = (atoi (argv[1]));
+    if (! ((na > 0) && (na < 0x1000)))
+      usage (argv[0]);
+    n_bytes = na;
+  }
+
+  srand (time (0));
+  for (i = 0; (i < n_bytes); i += 1)
+    printf ("%02x",
+           ((unsigned int)
+            ((((double) (rand ())) * 255.)
+             / ((double) RAND_MAX))));
+  printf ("\n");
+  return (0);
+}
+
+static void
+usage (const char * program)
+{
+  fprintf (stderr, "usage: %s N-BYTES\n", program);
+  fflush (stderr);
+  exit (1);
+}