Copyright for libpam-pwdfile source package in Focal

Format: http://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: libpam-pwdfile
Source: https://github.com/tiwe-de/libpam-pwdfile

Files: pam_pwdfile.c
Copyright:
 1999-2003 Charl P. Botha 
 2012-2013 Timo Weingärtner 
License: PAM

Files: bigcrypt.c
Copyright: Andy Phillips 
License: PAM
Comment: The file does not have an explicit License but was meant as a
 contribution to Linux-PAM

Files: md5.c
Copyright: 1993 Colin Plumb
License: Public Domain
 Public Domain

Files: md5_crypt.c
Copyright: Poul-Henning Kamp 
License: "THE BEER-WARE LICENSE" (Revision 42):
  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

Files: debian/*
Copyright:
 1999-2000 Michael-John Turner 
 2003-2005 Greg Norris 
 2013 Timo Weingärtner 
License: PAM

License: PAM
 Redistribution and use in source and binary forms, with or without
 modification, are permitted provided that the following conditions
 are met:
  1. Redistributions of source code must retain the above copyright
     notice, and the entire permission notice in its entirety,
     including the disclaimer of warranties.
 2. 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.
 3. The name of the author may not be used to endorse or promote
    products derived from this software without specific prior
    written permission.
 .
 ALTERNATIVELY, this product may be distributed under the terms of the
 GNU General Public License, in which case the provisions of the GPL are
 required INSTEAD OF the above restrictions.  (This clause is
 necessary due to a potential bad interaction between the GPL and
 the restrictions contained in a BSD-style copyright.)
 .
 THIS SOFTWARE IS PROVIDED ``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 AUTHOR 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.
 .
 On Debian systems, the complete text of the GNU General
 Public License can be found in "/usr/share/common-licenses/GPL".