mirror of
https://github.com/hashcat/hashcat.git
synced 2024-11-01 13:09:11 +00:00
69 lines
1.3 KiB
Perl
69 lines
1.3 KiB
Perl
#!/usr/bin/env perl
|
|
|
|
##
|
|
## Author......: See docs/credits.txt
|
|
## License.....: MIT
|
|
##
|
|
|
|
use strict;
|
|
use warnings;
|
|
|
|
use Digest::MD5 qw (md5_hex);
|
|
use Digest::SHA qw (sha1);
|
|
|
|
sub module_constraints { [[0, 256], [40, 40], [0, 55], [40, 40], [-1, -1]] }
|
|
|
|
sub module_generate_hash
|
|
{
|
|
my $word = shift;
|
|
my $salt = shift;
|
|
|
|
my $sha1_pass = sha1 ($word);
|
|
my $double_sha1 = sha1 ($sha1_pass);
|
|
|
|
my $xor_part1 = $sha1_pass;
|
|
my $xor_part2 = sha1 (pack ("H*", $salt) . $double_sha1);
|
|
|
|
my $digest = "";
|
|
|
|
for (my $i = 0; $i < 20; $i++)
|
|
{
|
|
my $first_byte = substr ($xor_part1, $i, 1);
|
|
my $second_byte = substr ($xor_part2, $i, 1);
|
|
|
|
my $xor_result = $first_byte ^ $second_byte;
|
|
|
|
$digest .= unpack ("H*", $xor_result);
|
|
}
|
|
|
|
my $hash = sprintf ("\$mysqlna\$%s*%s", $salt, $digest);
|
|
|
|
return $hash;
|
|
}
|
|
|
|
sub module_verify_hash
|
|
{
|
|
my $line = shift;
|
|
|
|
my ($hash_in, $word) = split (/:/, $line);
|
|
|
|
return unless defined $hash_in;
|
|
return unless defined $word;
|
|
|
|
my (undef, $signature, $digest) = split ('\$', $hash_in);
|
|
|
|
my ($salt, $hash) = split ('\*', $digest);
|
|
|
|
return unless ($signature eq 'mysqlna');
|
|
return unless defined $salt;
|
|
return unless defined $hash;
|
|
|
|
my $word_packed = pack_if_HEX_notation ($word);
|
|
|
|
my $new_hash = module_generate_hash ($word_packed, $salt);
|
|
|
|
return ($new_hash, $word);
|
|
}
|
|
|
|
1;
|