mirror of
https://github.com/hashcat/hashcat.git
synced 2024-12-23 23:19:09 +00:00
75 lines
1.5 KiB
Perl
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;
|