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GOST(3)		      User Contributed Perl Documentation	       GOST(3)

NAME
       Crypt::GOST - The GOST Encryption Algorithm

SYNOPSIS
       use Crypt::GOST;

       $cipher = Crypt::GOST->new($key);

       $ciphertext = $cipher->encrypt($plaintext);

       $plaintext  = $cipher->decrypt($ciphertext);

DESCRIPTION
       GOST 28147-89 is a 64-bit symmetric block cipher with a 256-bit key
       developed in the former Soviet Union. Some information on it is avail-
       able at <URL:http://vipul.net/gost/>.

       This module implements GOST encryption. It supports the Crypt::CBC
       interface, with the functions described below. It also provides an
       interface that is backwards-compatible with Crypt::GOST 0.41, but its
       use in new code is discouraged.

       Functions

       blocksize
	   Returns the size (in bytes) of the block (8, in this case).

       keysize
	   Returns the size (in bytes) of the key (32, in this case).

       new($key)
	   This creates a new Crypt::GOST object with the specified key.

       encrypt($data)
	   Encrypts blocksize() bytes of $data and returns the corresponding
	   ciphertext.

       decrypt($data)
	   Decrypts blocksize() bytes of $data and returns the corresponding
	   plaintext.

SEE ALSO
       Crypt::CBC, Crypt::Twofish, Crypt::TEA

ACKNOWLEDGEMENTS
       Vipul Ved Prakash
	   For writing Crypt::GOST 0.41, and reviewing the current version.

AUTHOR
       Abhijit Menon-Sen <ams@wiw.org>

       Copyright 2001 Abhijit Menon-Sen. All rights reserved.

       This software is distributed under the terms of the Artistic License
       <URL:http://ams.wiw.org/code/artistic.txt>.

perl v5.8.8			  2001-05-13			       GOST(3)

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