#!/bin/bash
##
## makekey - Generate licence keys
##
## Copyright 1997 SpellCaster Telecommunications
##
## $Id: makekey,v 1.1 2004/03/11 03:59:31 bcrl Exp $
##
##

# makekey <licenses> <serial number>

if [ $# -ne 2 ] ; then
  echo 1>&2 "Usage:"
  echo 1>&2 "	$0 <licenses> <serial number>"
  exit 1
fi

lisc="`printf %d "$1"`"
ser="`date +%Y%m%d%H%M``printf %08x "$2"`"
echo 1>&2 "Creating a key with $lisc liscenses, serial number: $ser"

key="`printf %02x $lisc`$ser"
key="${key}00`dd 2>/dev/null if=/dev/urandom bs=1 count=4 | hexdump -e "1/1 \\\"%02x\\\""`"

printf >/tmp/makekey.$$ "`echo "$key" | sed -e 's/[0-9a-fA-F]\{2\}/\\\\x&/g'`"
printf >>/tmp/makekey.$$ "\x16\xb6\x80\xcb\x1e\xcc\x01\xbe\x32\x1a\x8c\x9d\xaf\x92\x22\x0d\x74\xd0\xeb\x60\x29\xbb\x0f\x05\x07\x39\x61\xb1\xd1\x4f\xbe\x79"

echo "$key`md5sum /tmp/makekey.$$ | cut -f1 -d\ `"

rm -f /tmp/makekey.$$

exit 0