File Coverage

blib/lib/Net/SSH/Perl/Cipher/AES_CTR.pm

Criterion	Covered	Total	%
statement	28	29	96.5
branch	1	2	50.0
condition			n/a
subroutine	9	11	81.8
pod	3	6	50.0
total	41	48	85.4

package Net::SSH::Perl::Cipher::AES_CTR;

use strict;

use Net::SSH::Perl::Cipher;
use base qw( Net::SSH::Perl::Cipher );

use Net::SSH::Perl::Cipher::CTR;
use Crypt::Cipher::AES;

sub new {
    my $class = shift;
    my $ciph = bless { }, $class;
    $ciph->init(@_) if @_;
    $ciph;
}

sub keysize { } # stub
sub blocksize { 16 } # 128 bits as required by AES

sub init {
    my $ciph = shift;
    my($key, $iv) = @_;

    $key = substr($key,0,$ciph->keysize);
    my $aes = Crypt::Cipher::AES->new($key);
    $ciph->{ctr} = Net::SSH::Perl::Cipher::CTR->new($aes, $iv);
}

sub encrypt {
    my($ciph, $text) = @_;
    return $ciph->{ctr}->encrypt($text);
}

sub decrypt {
    my($ciph, $text) = @_;
    return $ciph->{ctr}->decrypt($text);
}

1;
__END__