mirror of https://github.com/hashcat/hashcat.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
73 lines
1.4 KiB
73 lines
1.4 KiB
#!/usr/bin/env perl
|
|
|
|
##
|
|
## Author......: See docs/credits.txt
|
|
## License.....: MIT
|
|
##
|
|
|
|
use strict;
|
|
use warnings;
|
|
|
|
use MIME::Base64 qw (encode_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;
|