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Crypt::OFB - Encrypt Data using OFB Mode


Use Crypt::OFB OO style

  use Crypt::OFB;

  $crypt = Crypt::OFB->new;
  $crypt->cipher("Blowfish") || die $crypt->errstring;

  $enc = $crypt->encrypt("Some data.");
  print $crypt->decrypt($enc);


This module is a Perl-only implementation of the OFB mode. It is a inheritance class of Crypt::ECB. Please read Crypt::ECB(3) for the default function description.


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 2 of the License, 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.

You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.


Kang-min Liu <>.


perl(1), Crypt::DES(3), Crypt::IDEA(3), Crypt::CBC(3), Crypt::ECB(3)