mirror of
https://github.com/hashcat/hashcat.git
synced 2024-11-22 16:18:09 +00:00
59 lines
1.1 KiB
Perl
59 lines
1.1 KiB
Perl
#!/usr/bin/env perl
|
|
|
|
##
|
|
## Author......: See docs/credits.txt
|
|
## License.....: MIT
|
|
##
|
|
|
|
use strict;
|
|
use warnings;
|
|
|
|
use Digest::MD5 qw (md5);
|
|
use Digest::HMAC qw (hmac_hex);
|
|
|
|
sub module_constraints { [[0, 256], [116, 148], [0, 55], [0, 31], [-1, -1]] }
|
|
|
|
sub module_generate_hash
|
|
{
|
|
my $word = shift;
|
|
my $salt = shift;
|
|
|
|
my $salt_len = length ($salt);
|
|
|
|
if ($salt_len < 32) # we don't support salt length > 55 in optimized mode, but this mode requires it
|
|
{
|
|
$salt .= "0" x 116;
|
|
|
|
$salt_len += 116;
|
|
}
|
|
|
|
$salt = substr ($salt, 0, $salt_len % 2 ? $salt_len - 1 : $salt_len);
|
|
|
|
my $salt_bin = pack ("H*", $salt);
|
|
|
|
my $digest = hmac_hex ($salt_bin, $word, \&md5, 64);
|
|
|
|
my $hash = sprintf ("%s:%s", $digest, $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;
|