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Crypt-Hill-0.10
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/ Crypt::Hill

NAME

Crypt::Hill - Interface to the Hill cipher (2x2).

VERSION

Version 0.10

DESCRIPTION

The Hill cipher is an example of a block cipher. A block cipher is a cipher in which groups of letters are enciphered together in equal length blocks. The Hill cipher was developed by Lester Hill & introduced in an article published in 1929.

The Crypt::Hill module is using block size 2.Acceptable characters are A to Z.

CONSTRUCTOR

The constructor expects one parameter i.e. key to be used in the encryption and decryption.The key should consists of no more than 4 ALPHABETS.

    use strict; use warnings;
    use Crypt::Hill;

    my $crypt = Crypt::Hill->new({ key => 'DDCF' });

METHODS

encode($message)

Encodes the message using the key provided and returns encoded message.

    use strict; use warnings;
    use Crypt::Hill;

    my $crypt   = Crypt::Hill->new({ key => 'DDCF' });
    my $encoded = $crypt->encode('HELP');

    print "Encoded: [$encoded]\n";

decode($encoded_message)

Decodes the encoded message using the key provided.

    use strict; use warnings;
    use Crypt::Hill;

    my $crypt   = Crypt::Hill->new({ key => 'DDCF' });
    my $encoded = $crypt->encode('HELP');
    my $decoded = $crypt->decode($encoded);

    print "Encoded: [$encoded]\n";
    print "Decoded: [$decoded]\n";

AUTHOR

Mohammad S Anwar, <mohammad.anwar at yahoo.com>

REPOSITORY

https://github.com/manwar/Crypt-Hill

BUGS

Please report any bugs/feature requests to bug-crypt-hill at rt.cpan.org or through the web interface at http://rt.cpan.org/NoAuth/ReportBug.html?Queue=Crypt-Hill. I will be notified & then you'll automatically be notified of progress on your bug as I make changes.

SUPPORT

You can find documentation for this module with the perldoc command.

    perldoc Crypt::Hill

You can also look for information at:

LICENSE AND COPYRIGHT

Copyright (C) 2014 - 2017 Mohammad S Anwar.

This program is free software; you can redistribute it and/or modify it under the terms of the the Artistic License (2.0). You may obtain a copy of the full license at:

http://www.perlfoundation.org/artistic_license_2_0

Any use, modification, and distribution of the Standard or Modified Versions is governed by this Artistic License.By using, modifying or distributing the Package, you accept this license. Do not use, modify, or distribute the Package, if you do not accept this license.

If your Modified Version has been derived from a Modified Version made by someone other than you,you are nevertheless required to ensure that your Modified Version complies with the requirements of this license.

This license does not grant you the right to use any trademark, service mark, tradename, or logo of the Copyright Holder.

This license includes the non-exclusive, worldwide, free-of-charge patent license to make, have made, use, offer to sell, sell, import and otherwise transfer the Package with respect to any patent claims licensable by the Copyright Holder that are necessarily infringed by the Package. If you institute patent litigation (including a cross-claim or counterclaim) against any party alleging that the Package constitutes direct or contributory patent infringement,then this Artistic License to you shall terminate on the date that such litigation is filed.

Disclaimer of Warranty: THE PACKAGE IS PROVIDED BY THE COPYRIGHT HOLDER AND CONTRIBUTORS "AS IS' AND WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES. THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT ARE DISCLAIMED TO THE EXTENT PERMITTED BY YOUR LOCAL LAW. UNLESS REQUIRED BY LAW, NO COPYRIGHT HOLDER OR CONTRIBUTOR WILL BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING IN ANY WAY OUT OF THE USE OF THE PACKAGE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.