mirror of https://github.com/hashcat/hashcat.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
91 lines
1.9 KiB
91 lines
1.9 KiB
#!/usr/bin/env perl
|
|
|
|
##
|
|
## Author......: See docs/credits.txt
|
|
## License.....: MIT
|
|
##
|
|
|
|
use strict;
|
|
use warnings;
|
|
|
|
use Digest::SHA qw (sha1);
|
|
use Digest::HMAC qw (hmac hmac_hex);
|
|
|
|
sub module_constraints { [[0, 256], [-1, -1], [0, 55], [-1, -1], [-1, -1]] }
|
|
|
|
sub module_generate_hash
|
|
{
|
|
my $word = shift;
|
|
my $salt = shift || get_random_ike_salt ();
|
|
|
|
my @salt_arr = split (":", $salt);
|
|
|
|
my $msg = pack ("H*", $salt_arr[0] . $salt_arr[1] . $salt_arr[2] . $salt_arr[3] . $salt_arr[4] . $salt_arr[5]);
|
|
my $nr = pack ("H*", $salt_arr[6] . $salt_arr[7]);
|
|
|
|
my $digest = hmac ($nr , $word, \&sha1, 64);
|
|
$digest = hmac_hex ($msg, $digest, \&sha1, 64);
|
|
|
|
my $hash = sprintf ("%s:%s", $salt, $digest);
|
|
|
|
return $hash;
|
|
}
|
|
|
|
sub module_verify_hash
|
|
{
|
|
my $line = shift;
|
|
|
|
my @data = split (':', $line);
|
|
|
|
return unless scalar @data == 10;
|
|
|
|
my $hash = $data[0];
|
|
my $salt = join ('', @data[1 .. 8]);
|
|
my $word = $data[9];
|
|
|
|
my $word_packed = pack_if_HEX_notation ($word);
|
|
|
|
my $new_hash = module_generate_hash ($word_packed, $salt);
|
|
|
|
return ($new_hash, $word);
|
|
}
|
|
|
|
sub get_random_ike_salt
|
|
{
|
|
my $nr_buf = "";
|
|
|
|
for (my $i = 0; $i < 40; $i++)
|
|
{
|
|
$nr_buf .= get_random_chr (0, 0xff);
|
|
}
|
|
|
|
my $msg_buf = "";
|
|
|
|
for (my $i = 0; $i < 440; $i++)
|
|
{
|
|
$msg_buf .= get_random_chr (0, 0xff);
|
|
}
|
|
|
|
my $nr_buf_hex = unpack ("H*", $nr_buf);
|
|
my $msg_buf_hex = unpack ("H*", $msg_buf);
|
|
|
|
my $salt_buf = sprintf ("%s:%s:%s:%s:%s:%s:%s:%s", substr ($msg_buf_hex, 0, 256), substr ($msg_buf_hex, 256, 256), substr ($msg_buf_hex, 512, 16), substr ($msg_buf_hex, 528, 16), substr ($msg_buf_hex, 544, 320), substr ($msg_buf_hex, 864, 16), substr ($nr_buf_hex, 0, 40), substr ($nr_buf_hex, 40, 40));
|
|
|
|
return $salt_buf;
|
|
}
|
|
|
|
sub get_random_chr
|
|
{
|
|
return chr get_random_num (@_);
|
|
}
|
|
|
|
sub get_random_num
|
|
{
|
|
my $min = shift;
|
|
my $max = shift;
|
|
|
|
return int ((rand ($max - $min)) + $min);
|
|
}
|
|
|
|
1;
|