mirror of
https://github.com/hashcat/hashcat.git
synced 2024-11-23 00:28:11 +00:00
58 lines
923 B
Perl
58 lines
923 B
Perl
#!/usr/bin/env perl
|
|
|
|
##
|
|
## Author......: See docs/credits.txt
|
|
## License.....: MIT
|
|
##
|
|
|
|
use strict;
|
|
use warnings;
|
|
|
|
use Digest::CRC;
|
|
|
|
sub module_constraints { [[0, 256], [8, 8], [0, 31], [8, 8], [-1, -1]] }
|
|
|
|
sub module_generate_hash
|
|
{
|
|
my $word = shift;
|
|
my $salt = shift;
|
|
|
|
my $iv = hex ($salt);
|
|
|
|
my $ctx = Digest::CRC->new
|
|
(
|
|
width => 32,
|
|
init => $iv,
|
|
xorout => 0xffffffff,
|
|
refout => 1,
|
|
poly => 0x1edc6f41,
|
|
refin => 1,
|
|
cont => 1
|
|
);
|
|
|
|
$ctx->add ($word);
|
|
|
|
my $hash = sprintf ("%s:%s", $ctx->hexdigest (), $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);
|
|
}
|
|
|
|
1;
|