Crypt::CFB is a Perl module that provides generic CFB implementation in pure Perl. The Cipher Feedback Mode module constructs a stream cipher from a block cipher or cryptographic hash funtion and returns it as an object. Any block cipher in the Crypt:: class can be used, as long as it supports the blocksize and keysize methods. Any hash function in the Digest:: class can be used, as long as it supports the add method.
SYNOPSIS
use Crypt::CFB;
my $cipher = new Crypt::CFB $key, 'Crypt::Rijndael';
my $ciphertext = $cipher->encrypt($plaintext);
my $plaintext = $cipher->decrypt($ciphertext);
my $cipher2 = new Crypt::CFB $key, 'Digest::MD5';
$ciphertext = $cipher->encrypt($plaintext);
$plaintext = $cipher->decrypt($ciphertext);
Requirements:
· Perl
