.. -*- restructuredtext -*-

=====================
Copyrights & Licenses
=====================

Credits
=======
Passlib is primarily developed by Eli Collins.

Special thanks to Darin Gordon for testing and
feedback on the :mod:`passlib.totp` module.

License for Passlib
===================
Passlib is (c) `Assurance Technologies <http://www.assurancetechnologies.com>`_,
and is released under the `BSD license <http://www.opensource.org/licenses/bsd-license.php>`_::

    Passlib
    Copyright (c) 2008-2020 Assurance Technologies, LLC.
    All rights reserved.

    Redistribution and use in source and binary forms, with or without
    modification, are permitted provided that the following conditions are
    met:

    * Redistributions of source code must retain the above copyright
      notice, this list of conditions and the following disclaimer.

    * Redistributions in binary form must reproduce the above copyright
      notice, this list of conditions and the following disclaimer in the
      documentation and/or other materials provided with the distribution.

    * Neither the name of Assurance Technologies, nor the names of the
      contributors may be used to endorse or promote products derived
      from this software without specific prior written permission.

    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
    "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
    A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
    OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
    SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
    LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
    DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
    THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
    (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
    OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Licenses for incorporated software
==================================
Passlib contains some code derived from the following sources:

MD5-Crypt
---------
The source file ``passlib/handlers/md5_crypt.py`` contains code derived from the original
`FreeBSD md5-crypt implementation <http://www.freebsd.org/cgi/cvsweb.cgi/~checkout~/src/lib/libcrypt/crypt.c?rev=1.2>`_,
which is available under the following license::

    "THE BEER-WARE LICENSE" (Revision 42):
    <phk@login.dknet.dk> wrote this file.  As long as you retain this notice you
    can do whatever you want with this stuff. If we meet some day, and you think
    this stuff is worth it, you can buy me a beer in return.   Poul-Henning Kamp

    converted to python May 2008
    by Eli Collins

DES
---
The source file ``passlib/crypto/des.py`` contains code derived from
`UnixCrypt.java <http://www.dynamic.net.au/christos/crypt/UnixCrypt2.txt>`_,
a pure-java implementation of the historic unix-crypt password hash algorithm.
It is available under the following license::

    UnixCrypt.java 0.9 96/11/25
    Copyright (c) 1996 Aki Yoshida. All rights reserved.
    Permission to use, copy, modify and distribute this software
    for non-commercial or commercial purposes and without fee is
    hereby granted provided that this copyright notice appears in
    all copies.

    modified April 2001
    by Iris Van den Broeke, Daniel Deville

    modified Aug 2005
    by Greg Wilkins (gregw)

    converted to python Jun 2009
    by Eli Collins

jBCrypt
-------
The source file ``passlib/crypto/_blowfish/base.py`` contains code derived
from `jBcrypt 0.2 <http://www.mindrot.org/projects/jBCrypt/>`_, a Java
implementation of the BCrypt password hash algorithm. It is available under
a BSD/ISC license::

    Copyright (c) 2006 Damien Miller <djm@mindrot.org>

    Permission to use, copy, modify, and distribute this software for any
    purpose with or without fee is hereby granted, provided that the above
    copyright notice and this permission notice appear in all copies.

    THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
    WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
    MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
    ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
    WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
    ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTUOUS ACTION, ARISING OUT OF
    OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

Wordsets
--------
The EFF wordsets in ``passlib/_data/wordsets`` are (c) 2016 the Electronic Freedom Foundation.
They were downloaded from `<https://www.eff.org/deeplinks/2016/07/new-wordlists-random-passphrases>`_,
and are released under the `Creative Commons License <https://www.eff.org/copyright>`_.
