mirror of
https://github.com/hashcat/hashcat.git
synced 2024-11-29 03:18:30 +00:00
61 lines
1.2 KiB
Perl
61 lines
1.2 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 Digest::MD5 qw (md5 md5_hex);
|
|
use Text::Iconv;
|
|
|
|
sub module_constraints { [[0, 256], [96, 96], [0, 27], [96, 96], [-1, -1]] }
|
|
|
|
sub module_generate_hash
|
|
{
|
|
my $word = shift;
|
|
my $salt = shift;
|
|
|
|
my $salt_bin = pack ("H*", $salt);
|
|
|
|
my $converter = Text::Iconv->new('utf8', 'UTF-16LE');
|
|
|
|
my $digest = md5_hex (md4 ($converter->convert ($word)) . $salt_bin);
|
|
|
|
my $hash = sprintf ('$sntp-ms$%s$%s', $digest, unpack ("H*", $salt_bin));
|
|
|
|
return $hash;
|
|
}
|
|
|
|
sub module_verify_hash
|
|
{
|
|
my $line = shift;
|
|
|
|
my $idx = index ($line, ':');
|
|
|
|
return unless $idx >= 0;
|
|
|
|
my $hash = substr ($line, 0, $idx);
|
|
my $word = substr ($line, $idx + 1);
|
|
|
|
my (undef, $signature, $digest, $salt) = split '\$', $hash;
|
|
|
|
return unless defined $signature;
|
|
return unless defined $digest;
|
|
return unless defined $salt;
|
|
|
|
return unless $signature eq 'sntp-ms';
|
|
return unless length $salt == 96;
|
|
|
|
my $word_packed = pack_if_HEX_notation ($word);
|
|
|
|
my $new_hash = module_generate_hash ($word_packed, $salt);
|
|
|
|
return ($new_hash, $word);
|
|
}
|
|
|
|
1;
|