1
0
mirror of https://github.com/hashcat/hashcat.git synced 2024-11-18 06:08:16 +00:00
hashcat/tools/test_modules/m02100.pm

75 lines
1.5 KiB
Perl

#!/usr/bin/env perl
##
## Author......: See docs/credits.txt
## License.....: MIT
##
use strict;
use warnings;
use Digest::MD4 qw (md4 md4_hex);
use Crypt::PBKDF2;
use Encode;
sub module_constraints { [[0, 256], [0, 256], [-1, -1], [-1, -1], [-1, -1]] }
sub module_generate_hash
{
my $word = shift;
my $salt = shift;
my $iterations = shift // 10240;
my $salt_bin = encode ("UTF-16LE", lc ($salt));
my $pbkdf2 = Crypt::PBKDF2->new
(
hash_class => 'HMACSHA1',
iterations => $iterations,
output_len => 16,
salt_len => length ($salt_bin),
);
my $digest = unpack ("H*", $pbkdf2->PBKDF2 ($salt_bin, md4 (md4 (encode ("UTF-16LE", $word)) . $salt_bin)));
my $hash = sprintf ("\$DCC2\$%i#%s#%s", $iterations, $salt, $digest);
return $hash;
}
sub module_verify_hash
{
my $line = shift;
my ($hash, $word) = split (':', $line);
return unless defined $hash;
return unless defined $word;
my $signature = substr ($hash, 0, 6);
return unless ($signature eq '$DCC2$');
$hash = substr ($hash, 6);
my @data = split ('#', $hash);
return unless scalar @data == 3;
my $iterations = shift @data;
my $salt = shift @data;
my $digest = shift @data;
return unless defined $iterations;
return unless defined $salt;
return unless defined $digest;
my $word_packed = pack_if_HEX_notation ($word);
my $new_hash = module_generate_hash ($word_packed, $salt, $iterations);
return ($new_hash, $word);
}
1;