110 lines
2.6 KiB
Perl
110 lines
2.6 KiB
Perl
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package Crypt::Mode::ECB;
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### BEWARE - GENERATED FILE, DO NOT EDIT MANUALLY!
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use strict;
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use warnings;
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our $VERSION = '0.048';
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use Crypt::Cipher;
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use base 'Crypt::Mode';
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sub new { my $class = shift; _new(Crypt::Cipher::_trans_cipher_name(shift), @_) }
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1;
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=pod
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=head1 NAME
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Crypt::Mode::ECB - Block cipher mode ECB [Electronic codebook]
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=head1 SYNOPSIS
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use Crypt::Mode::ECB;
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my $m = Crypt::Mode::ECB->new('AES');
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#(en|de)crypt at once
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my $ciphertext = $m->encrypt($plaintext, $key);
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my $plaintext = $m->decrypt($ciphertext, $key);
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#encrypt more chunks
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$m->start_encrypt($key);
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my $ciphertext = $m->add('some data');
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$ciphertext .= $m->add('more data');
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$ciphertext .= $m->finish;
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#decrypt more chunks
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$m->start_decrypt($key);
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my $plaintext = $m->add($some_ciphertext);
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$plaintext .= $m->add($more_ciphertext);
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$plaintext .= $m->finish;
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=head1 DESCRIPTION
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This module implements ECB cipher mode. B<NOTE:> it works only with ciphers from L<CryptX> (Crypt::Cipher::NNNN).
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B<BEWARE: ECB is inherently insecure>, if you are not sure go for L<Crypt::Mode::CBC>!
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=head1 METHODS
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=head2 new
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my $m = Crypt::Mode::ECB->new('AES');
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#or
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my $m = Crypt::Mode::ECB->new('AES', $padding);
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#or
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my $m = Crypt::Mode::ECB->new('AES', $padding, $cipher_rounds);
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# $padding .... 0 no padding (plaintext size has to be myltiple of block length)
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# 1 PKCS5 padding, Crypt::CBC's "standard" - DEFAULT
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# 2 Crypt::CBC's "oneandzeroes"
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# $cipher_rounds ... optional num of rounds for given cipher
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=head2 encrypt
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my $ciphertext = $m->encrypt($plaintext, $key);
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=head2 decrypt
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my $plaintext = $m->decrypt($ciphertext, $key);
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=head2 start_encrypt
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See example below L</finish>.
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=head2 start_decrypt
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See example below L</finish>.
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=head2 add
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See example below L</finish>.
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=head2 finish
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#encrypt more chunks
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$m->start_encrypt($key);
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my $ciphertext = '';
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$ciphertext .= $m->add('some data');
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$ciphertext .= $m->add('more data');
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$ciphertext .= $m->finish;
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#decrypt more chunks
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$m->start_decrypt($key);
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my $plaintext = '';
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$plaintext .= $m->add($some_ciphertext);
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$plaintext .= $m->add($more_ciphertext);
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$plaintext .= $m->finish;
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=head1 SEE ALSO
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=over
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=item * L<CryptX|CryptX>, L<Crypt::Cipher|Crypt::Cipher>
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=item * L<Crypt::Cipher::AES|Crypt::Cipher::AES>, L<Crypt::Cipher::Blowfish|Crypt::Cipher::Blowfish>, ...
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=item * L<https://en.wikipedia.org/wiki/Block_cipher_mode_of_operation#Electronic_codebook_.28ECB.29|https://en.wikipedia.org/wiki/Block_cipher_mode_of_operation#Electronic_codebook_.28ECB.29>
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=back
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