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NAME

Crypt::Smithy - Perl implementation of the 'Smithycode' cipher.

VERSION

Version 0.01

SYNOPSIS

    use Crypt::Smithy;

    my $s = Crypt::Smithy->new();
    print $s->encrypt_string('jackiefisterwhoareyoudreadnough');

    print $s->decrypt_string('jaeiextostgpsacgreamqwfkadpmqzv'), 

    $s->set_password(1, 1, 2, 3, 5, 8, 13, 21); # Fibonacci

DESCRIPTION

Crypt::Smithy implements an algorithm used to embed a code in the 2006 judgement in the Da Vinci Code copyright case. Crypthographically it is highly insecure and is for entertainment and educational purposes only.

METHODS

new

Constructor

set_password

Set another alphabet than the default (1, 1, 25, 3, 5, 8, 13, 21).

decrypt_string

Decrypt a string using the current password.

encrypt_string

Encrypt a string using the current password.

AUTHOR

Andreas Faafeng, <aff at cpan.org>

BUGS

Please report any bugs or feature requests to bug-crypt-smithy at rt.cpan.org, or through the web interface at http://rt.cpan.org/NoAuth/ReportBug.html?Queue=Crypt-Smithy. I will be notified, and 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::Smithy

You can also look for information at:

ACKNOWLEDGEMENTS

The wikipedia article https://en.wikipedia.org/wiki/Smithycode has a lenghty explaination of the origin of the cipher.

SEE ALSO

http://search.cpan.org/dist/Crypt::Rot13/

LICENSE AND COPYRIGHT

Copyright 2011 Andreas Faafeng.

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; version 2 dated June, 1991 or at your option any later version.

This program 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.

A copy of the GNU General Public License is available in the source tree; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.