mirror of
https://github.com/hashcat/hashcat.git
synced 2024-11-16 04:49:24 +00:00
91 lines
1.6 KiB
Perl
91 lines
1.6 KiB
Perl
#!/usr/bin/env perl
|
|
|
|
##
|
|
## Author......: See docs/credits.txt
|
|
## License.....: MIT
|
|
##
|
|
|
|
use strict;
|
|
use warnings;
|
|
|
|
use Crypt::ScryptKDF qw (scrypt_hash);
|
|
use MIME::Base64 qw (decode_base64);
|
|
|
|
sub module_constraints { [[0, 256], [1, 15], [-1, -1], [-1, -1], [-1, -1]] }
|
|
|
|
sub module_generate_hash
|
|
{
|
|
my $word = shift;
|
|
my $salt = shift;
|
|
my $N = shift // 16384;
|
|
my $r = shift // 8;
|
|
my $p = shift // 1;
|
|
|
|
my $hash_buf = scrypt_hash ($word, $salt, $N, $r, $p, 32);
|
|
|
|
my $hash = sprintf ('%s', $hash_buf);
|
|
|
|
return $hash;
|
|
}
|
|
|
|
sub module_verify_hash
|
|
{
|
|
my $line = shift;
|
|
|
|
# scrypt
|
|
return unless (substr ($line, 0, 7) eq 'SCRYPT:');
|
|
|
|
# get hash
|
|
my $index1 = index ($line, ":", 7);
|
|
|
|
return if $index1 < 1;
|
|
|
|
# N
|
|
my $N = substr ($line, 7, $index1 - 7);
|
|
|
|
my $index2 = index ($line, ":", $index1 + 1);
|
|
|
|
return if $index2 < 1;
|
|
|
|
# r
|
|
my $r = substr ($line, $index1 + 1, $index2 - $index1 - 1);
|
|
|
|
$index1 = index ($line, ":", $index2 + 1);
|
|
|
|
return if $index1 < 1;
|
|
|
|
# p
|
|
my $p = substr ($line, $index2 + 1, $index1 - $index2 - 1);
|
|
|
|
$index2 = index ($line, ":", $index1 + 1);
|
|
|
|
return if $index2 < 1;
|
|
|
|
# salt
|
|
my $salt = substr ($line, $index1 + 1, $index2 - $index1 - 1);
|
|
|
|
$salt = decode_base64 ($salt);
|
|
|
|
$index1 = index ($line, ":", $index2 + 1);
|
|
|
|
return if $index1 < 1;
|
|
|
|
# digest
|
|
|
|
my $word = substr ($line, $index1 + 1);
|
|
|
|
return unless defined $salt;
|
|
return unless defined $word;
|
|
return unless defined $N;
|
|
return unless defined $r;
|
|
return unless defined $p;
|
|
|
|
$word = pack_if_HEX_notation ($word);
|
|
|
|
my $new_hash = module_generate_hash ($word, $salt, $N, $r, $p);
|
|
|
|
return ($new_hash, $word);
|
|
}
|
|
|
|
1;
|