mirror of
https://github.com/hashcat/hashcat
synced 2024-12-09 02:13:10 +01:00
76 lines
1.4 KiB
Perl
76 lines
1.4 KiB
Perl
#!/usr/bin/env perl
|
|
|
|
##
|
|
## Author......: See docs/credits.txt
|
|
## License.....: MIT
|
|
##
|
|
|
|
use strict;
|
|
use warnings;
|
|
|
|
use Crypt::CBC;
|
|
|
|
sub module_constraints { [[0, 30], [0, 30], [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;
|