Copyright for libdigest-md4-perl source package in Focal

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: Digest-MD4
Source: https://metacpan.org/release/Digest-MD4
Upstream-Contact: Mike McCauley 
Files-Excluded: rfc1320.txt

Files: *
Copyright: 1991-1992, RSA Data Security, Inc.
 1995-1996, Neil Winton
 1998-2003, Gisle Aas
 1990, RSA Data Security
License: Artistic or GPL-1+
Comment: RSA licence applies to MD4.* files. MD4.pm says:
 This copyright does not prohibit distribution of any version of Perl
 containing this extension under the terms of the GNU or Artistic
 licenses.
 .
                            RSA-License
 License to copy and use this software is granted provided that it
 is identified as the "RSA Data Security, Inc. MD4 Message-Digest
 Algorithm" in all material mentioning or referencing this software
 or this function.
 .
 License is also granted to make and use derivative works provided
 that such works are identified as "derived from the RSA Data
 Security, Inc. MD4 Message-Digest Algorithm" in all material
 mentioning or referencing the derived work.
 .
 RSA Data Security, Inc. makes no representations concerning either
 the merchantability of this software or the suitability of this
 software for any particular purpose. It is provided "as is"
 without express or implied warranty of any kind.
 .
 These notices must be retained in any copies of any part of this
 documentation and/or software.

Files: debian/*
Copyright: 2002, Luca Filipozzi 
 2005, Jay Bonci 
 2007, Pierre Habouzit 
 2010, Ansgar Burchardt 
 2013-2018, Xavier Guimard 
License: Artistic or GPL-1+

License: Artistic
 This program is free software; you can redistribute it and/or modify
 it under the terms of the Artistic License, which comes with Perl.
 .
 On Debian systems, the complete text of the Artistic License can be
 found in `/usr/share/common-licenses/Artistic'.

License: GPL-1+
 This program 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 1, or (at your option)
 any later version.
 .
 On Debian systems, the complete text of version 1 of the GNU General
 Public License can be found in `/usr/share/common-licenses/GPL-1'.