1
0
mirror of https://github.com/hashcat/hashcat.git synced 2024-12-24 15:38:11 +00:00
hashcat/tools/test_modules/m25300.pm

73 lines
1.4 KiB
Perl
Raw Normal View History

#!/usr/bin/env perl
##
## Author......: See docs/credits.txt
## License.....: MIT
##
use strict;
use warnings;
use MIME::Base64 qw (encode_base64 decode_base64);
use Digest::SHA qw (sha512);
use Encode;
sub module_constraints { [[0, 64], [16, 16], [-1, -1], [-1, -1], [-1, -1]] }
sub module_generate_hash
{
my $word = shift;
my $salt = shift;
my $iter = shift // 100000;
my $tmp = sha512 ($salt . encode ("UTF-16LE", $word));
for (my $i = 0; $i < $iter; $i++)
{
my $num32 = pack ("L", $i);
$tmp = sha512 ($tmp . $num32);
}
my $salt_b64 = encode_base64 ($salt, "");
my $digest_b64 = encode_base64 ($tmp, "");
my $hash = sprintf ("\$office\$%d\$0\$%d\$%s\$%s", 2016, $iter, $salt_b64, $digest_b64);
return $hash;
}
sub module_verify_hash
{
my $line = shift;
my ($hash, $word) = split ":", $line;
return unless defined $hash;
return unless defined $word;
my @data = split ('\$', $hash);
return unless scalar @data == 7;
return unless (shift @data eq 'office');
return unless (shift @data eq '2016');
return unless (shift @data eq '0');
my $iter = shift @data;
my $salt = shift @data;
my $digest = shift @data;
return unless defined $iter;
return unless defined $salt;
return unless defined $digest;
return unless length ($salt) == 24;
return unless length ($digest) == 88;
my $new_hash = module_generate_hash ($word, $salt, $iter);
return ($new_hash, $word);
}
1;