# browsershots.org - Test your web design in different browsers
# Copyright (C) 2007 Johann C. Rocholl <johann@browsershots.org>
#
# Browsershots 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 3 of the License, or
# (at your option) any later version.
#
# Browsershots 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 this program. If not, see <http://www.gnu.org/licenses/>.

"""
Create random nonces.
"""

__revision__ = "$Rev$"
__date__ = "$Date$"
__author__ = "$Author$"

import md5
import random
import time
import os


def random_md5():
    """
    Make a random 128bit hexadecimal authentication token.
    """
    digest = md5.new()
    digest.update('%.50f' % random.random())
    digest.update('%.20f' % time.time())
    digest.update(os.urandom(16))
    return digest.hexdigest()


if __name__ == '__main__':
    print random_md5()