libcryptx-perl/lib/Crypt/Stream/Rabbit.pm

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2018-03-22 15:54:03 +01:00
package Crypt::Stream::Rabbit;
use strict;
use warnings;
our $VERSION = '0.058_002';
use CryptX;
1;
=pod
=head1 NAME
Crypt::Stream::Rabbit - Stream cipher Rabbit
=head1 SYNOPSIS
use Crypt::Stream::Rabbit;
# encrypt
$key = "1234567890123456";
$iv = "12345678";
$stream = Crypt::Stream::Rabbit->new($key, $iv);
$ct = $stream->crypt("plain message");
# decrypt
$key = "1234567890123456";
$iv = "12345678";
$stream = Crypt::Stream::Rabbit->new($key, $iv);
$pt = $stream->crypt($ct);
=head1 DESCRIPTION
Provides an interface to the Rabbit stream cipher.
=head1 METHODS
=head2 new
$stream = Crypt::Stream::Rabbit->new($key, $iv);
# $key .. keylen must be up to 16 bytes
# $iv .. ivlen must be up to 8 bytes
$stream = Crypt::Stream::Rabbit->new($key);
#BEWARE: this is different from new($key, "")
=head2 crypt
$ciphertext = $stream->crypt($plaintext);
#or
$plaintext = $stream->crypt($ciphertext);
=head2 keystream
$random_key = $stream->keystream($length);
=head2 clone
$stream->clone();
=head1 SEE ALSO
=over
=item * L<Crypt::Stream::RC4>, L<Crypt::Stream::ChaCha>, L<Crypt::Stream::Salsa20>, L<Crypt::Stream::Sober128>
=item * L<https://en.wikipedia.org/wiki/Rabbit_(cipher)>
=back
=cut