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hashcat/tools/test_modules/m08300.pm
philsmd 407d331c9d
tests: fix hash generation of -m 8300 = DNSSEC
The salt needs to be passed AS-IS (in hexadecimal) not converted to binary for the perl module Net::DNS::RR::NSEC3::name2hash.

Thank you very much
2019-04-13 19:10:52 +02:00

82 lines
1.4 KiB
Perl

#!/usr/bin/env perl
##
## Author......: See docs/credits.txt
## License.....: MIT
##
use strict;
use warnings;
use Net::DNS::RR::NSEC3;
use Net::DNS::SEC;
sub module_constraints { [[1, 256], [-1, -1], [1, 55], [-1, -1], [-1, -1]] }
sub get_random_dnssec_salt
{
my $salt_buf = "";
$salt_buf .= ".";
$salt_buf .= random_lowercase_string (8);
$salt_buf .= ".net";
$salt_buf .= ":";
$salt_buf .= random_numeric_string (8);
return $salt_buf;
}
sub module_generate_hash
{
my $word = shift;
my $salt = shift;
my $iter = shift // 1;
if (length $salt == 0)
{
$salt = get_random_dnssec_salt ();
}
my ($domain, $salt_hex) = split (":", $salt);
my $hashalg = Net::DNS::SEC->digtype ("SHA1");
my $name = lc ($word . $domain);
my $hash_buf = Net::DNS::RR::NSEC3::name2hash ($hashalg, $name, $iter, $salt_hex);
my $hash = sprintf ("%s:%s:%s:%d", $hash_buf, $domain, $salt_hex, $iter);
return $hash;
}
sub module_verify_hash
{
my $line = shift;
my @datas = split (":", $line);
return if scalar @datas != 5;
my ($hash, $domain, $salt, $iter, $word) = @datas;
$salt = $domain . ":" . $salt;
return unless defined $salt;
return unless defined $iter;
return unless defined $word;
$word = pack_if_HEX_notation ($word);
my $new_hash = module_generate_hash ($word, $salt, $iter);
return ($new_hash, $word);
}
1;