73 lines
1.2 KiB
Perl
73 lines
1.2 KiB
Perl
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
|