mirror of
https://github.com/hashcat/hashcat
synced 2024-12-05 11:15:21 +01:00
87 lines
1.6 KiB
Perl
87 lines
1.6 KiB
Perl
|
#!/usr/bin/env perl
|
||
|
|
||
|
##
|
||
|
## Author......: See docs/credits.txt
|
||
|
## License.....: MIT
|
||
|
##
|
||
|
|
||
|
use strict;
|
||
|
use warnings;
|
||
|
|
||
|
use Crypt::PBKDF2;
|
||
|
use Digest::HMAC qw (hmac_hex);
|
||
|
use Digest::SHA qw (sha256);
|
||
|
|
||
|
sub module_constraints { [[0, 255], [-1, -1], [-1, -1], [-1, -1], [-1, -1]] }
|
||
|
|
||
|
sub get_random_cloudkeychain_salt
|
||
|
{
|
||
|
my $salt_buf = random_bytes (16 + 304);
|
||
|
|
||
|
my $ret = unpack ("H*", $salt_buf);
|
||
|
|
||
|
return $ret;
|
||
|
}
|
||
|
|
||
|
sub module_generate_hash
|
||
|
{
|
||
|
my $word = shift;
|
||
|
my $salt = shift;
|
||
|
my $iter = shift // 40000;
|
||
|
|
||
|
if (length $salt == 0)
|
||
|
{
|
||
|
$salt = get_random_cloudkeychain_salt ();
|
||
|
}
|
||
|
|
||
|
my $salt_hex = substr ($salt, 0, 32);
|
||
|
my $salt_bin = pack ("H*", $salt_hex);
|
||
|
|
||
|
my $data_hex = substr ($salt, 32);
|
||
|
my $data_bin = pack ("H*", $data_hex);
|
||
|
|
||
|
my $pbkdf2 = Crypt::PBKDF2->new
|
||
|
(
|
||
|
hasher => Crypt::PBKDF2->hasher_from_algorithm ('HMACSHA2', 512),
|
||
|
iterations => $iter
|
||
|
);
|
||
|
|
||
|
my $key = $pbkdf2->PBKDF2 ($salt_bin, $word);
|
||
|
|
||
|
my $hash_buf = hmac_hex ($data_bin, substr ($key, 32, 32), \&sha256, 64);
|
||
|
|
||
|
my $hash = sprintf ("%s:%s:%d:%s", $hash_buf, $salt_hex, $iter, $data_hex);
|
||
|
|
||
|
return $hash;
|
||
|
}
|
||
|
|
||
|
sub module_verify_hash
|
||
|
{
|
||
|
my $line = shift;
|
||
|
|
||
|
my @datas = split (":", $line);
|
||
|
|
||
|
return if scalar @datas < 4;
|
||
|
|
||
|
my $hash = shift @datas;
|
||
|
|
||
|
my $salt = shift @datas;
|
||
|
my $iter = shift @datas;
|
||
|
my $data = shift @datas;
|
||
|
|
||
|
$salt .= $data;
|
||
|
|
||
|
my $word = join (":", @datas);
|
||
|
|
||
|
return unless defined $salt;
|
||
|
return unless defined $word;
|
||
|
|
||
|
$word = pack_if_HEX_notation ($word);
|
||
|
|
||
|
my $new_hash = module_generate_hash ($word, $salt, $iter);
|
||
|
|
||
|
return ($new_hash, $word);
|
||
|
}
|
||
|
|
||
|
1;
|