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.
74 lines
1.5 KiB
74 lines
1.5 KiB
#!/usr/bin/env perl
|
|
|
|
##
|
|
## Author......: See docs/credits.txt
|
|
## License.....: MIT
|
|
##
|
|
|
|
use strict;
|
|
use warnings;
|
|
|
|
use Digest::SHA qw (sha512);
|
|
use Authen::Passphrase::PHPass;
|
|
|
|
sub module_constraints { [[0, 256], [8, 8], [-1, -1], [-1, -1], [-1, -1]] }
|
|
|
|
sub module_generate_hash
|
|
{
|
|
my $word = shift;
|
|
my $salt = shift;
|
|
my $cost = shift // 14;
|
|
|
|
my $phpass_it = 1 << $cost;
|
|
|
|
my $hash_buf = sha512 ($salt . $word);
|
|
|
|
for (my $i = 0; $i < $phpass_it; $i++)
|
|
{
|
|
$hash_buf = sha512 ($hash_buf . $word);
|
|
}
|
|
|
|
my $base64_buf = substr (Authen::Passphrase::PHPass::_en_base64 ($hash_buf), 0, 43);
|
|
|
|
my $base64_digits = "./0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
|
|
|
|
my $cost_str = substr ($base64_digits, $cost, 1);
|
|
|
|
my $hash = sprintf ('$S$%s%s%s', $cost_str, $salt, $base64_buf);
|
|
|
|
return $hash;
|
|
}
|
|
|
|
sub module_verify_hash
|
|
{
|
|
my $line = shift;
|
|
|
|
my $index = index ($line, ":");
|
|
|
|
return if $index < 1;
|
|
|
|
my $hash_in = substr ($line, 0, $index);
|
|
|
|
my $word = substr ($line, $index + 1);
|
|
|
|
my $salt = substr ($hash_in, 4, 8);
|
|
|
|
# iterations = 2 ^ cost (where cost == $iter)
|
|
|
|
my $itoa64_1 = "./0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
|
|
|
|
my $iter = index ($itoa64_1, substr ($hash_in, 3, 1));
|
|
|
|
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;
|