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hashcat/tools/test_modules/m03100.pm

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#!/usr/bin/env perl
##
## Author......: See docs/credits.txt
## License.....: MIT
##
use strict;
use warnings;
use Crypt::CBC;
2019-02-16 15:04:37 +00:00
sub module_constraints { [[-1, -1], [-1, -1], [0, 30], [0, 30], [-1, -1]] }
sub module_generate_hash
{
my $word = shift;
my $salt = shift;
my $digest = oracle_hash ($salt, $word);
my $hash = sprintf ("%s:%s", $digest, $salt);
return $hash;
}
sub module_verify_hash
{
my $line = shift;
my ($hash, $salt, $word) = split (':', $line);
return unless defined $hash;
return unless defined $salt;
return unless defined $word;
my $word_packed = pack_if_HEX_notation ($word);
my $new_hash = module_generate_hash ($word_packed, $salt);
return ($new_hash, $word);
}
sub oracle_hash
{
my ($username, $password) = @_;
my $userpass = pack ('n*', unpack ('C*', uc ($username.$password)));
$userpass .= pack ('C', 0) while (length ($userpass) % 8);
my $key = pack ('H*', "0123456789ABCDEF");
my $iv = pack ('H*', "0000000000000000");
my $c = new Crypt::CBC (
-literal_key => 1,
-cipher => "DES",
-key => $key,
-iv => $iv,
-header => "none"
);
my $key2 = substr ($c->encrypt ($userpass), length ($userpass)-8, 8);
my $c2 = new Crypt::CBC (
-literal_key => 1,
-cipher => "DES",
-key => $key2,
-iv => $iv,
-header => "none"
);
my $hash = substr ($c2->encrypt ($userpass), length ($userpass)-8, 8);
return uc (unpack ('H*', $hash));
}
1;