mirror of
https://github.com/hashcat/hashcat.git
synced 2024-11-23 16:38:29 +00:00
121 lines
2.6 KiB
Perl
121 lines
2.6 KiB
Perl
#!/usr/bin/env perl
|
|
|
|
##
|
|
## Author......: See docs/credits.txt
|
|
## License.....: MIT
|
|
##
|
|
|
|
use strict;
|
|
use warnings;
|
|
|
|
use Crypt::PBKDF2;
|
|
use Crypt::CBC;
|
|
use Digest::SHA qw (sha1);
|
|
|
|
sub module_constraints { [[0, 256], [40, 40], [-1, -1], [-1, -1], [-1, -1]] }
|
|
|
|
sub module_generate_hash
|
|
{
|
|
my $word = shift;
|
|
my $global_salt = shift;
|
|
my $entry_salt = shift // random_hex_string (64);
|
|
my $iter = shift // 10000;
|
|
my $iv = shift // random_hex_string (32);
|
|
my $ct = shift;
|
|
|
|
my $kdf = Crypt::PBKDF2->new
|
|
(
|
|
hasher => Crypt::PBKDF2->hasher_from_algorithm ('HMACSHA2', 256),
|
|
iterations => $iter,
|
|
output_len => 32
|
|
);
|
|
|
|
my $global_salt_bin = pack ("H*", $global_salt);
|
|
|
|
my $global_key = sha1 ($global_salt_bin . $word);
|
|
|
|
my $entry_salt_bin = pack ("H*", $entry_salt);
|
|
|
|
my $entry_key = $kdf->PBKDF2 ($entry_salt_bin, $global_key);
|
|
|
|
my $iv_bin = pack ("H*", $iv);
|
|
|
|
my $pt;
|
|
|
|
if (defined $ct)
|
|
{
|
|
my $aes_cbc = Crypt::CBC->new ({
|
|
cipher => "Crypt::Rijndael",
|
|
iv => $iv_bin,
|
|
key => $entry_key,
|
|
keysize => 32,
|
|
literal_key => 1,
|
|
header => "none",
|
|
padding => "none"
|
|
});
|
|
|
|
my $ct_bin = pack ("H*", $ct);
|
|
|
|
$pt = $aes_cbc->decrypt ($ct_bin);
|
|
|
|
if ($pt ne "password-check\x02\x02")
|
|
{
|
|
$pt = "\xff" x 16;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
$pt = "password-check\x02\x02";
|
|
}
|
|
|
|
my $aes_cbc = Crypt::CBC->new ({
|
|
cipher => "Crypt::Rijndael",
|
|
iv => $iv_bin,
|
|
key => $entry_key,
|
|
keysize => 32,
|
|
literal_key => 1,
|
|
header => "none",
|
|
padding => "none"
|
|
});
|
|
|
|
my $ct_bin = $aes_cbc->encrypt ($pt);
|
|
|
|
my $hash = sprintf ('$mozilla$*AES*%s*%s*%d*%s*%s', unpack ("H*", $global_salt_bin), unpack ("H*", $entry_salt_bin), $iter, unpack ("H*", $iv_bin), unpack ("H*", $ct_bin));
|
|
|
|
return $hash;
|
|
}
|
|
|
|
sub module_verify_hash
|
|
{
|
|
my $line = shift;
|
|
|
|
my $idx = index ($line, ':');
|
|
|
|
return unless $idx >= 0;
|
|
|
|
my $hash = substr ($line, 0, $idx);
|
|
my $word = substr ($line, $idx + 1);
|
|
|
|
return unless substr ($hash, 0, 9) eq '$mozilla$';
|
|
|
|
my ($signature, $type, $global_salt, $entry_salt, $iter, $iv, $ct) = split '\*', $hash;
|
|
|
|
return unless defined $signature;
|
|
return unless defined $type;
|
|
return unless defined $global_salt;
|
|
return unless defined $entry_salt;
|
|
return unless defined $iter;
|
|
return unless defined $iv;
|
|
return unless defined $ct;
|
|
|
|
return unless $type eq 'AES';
|
|
|
|
my $word_packed = pack_if_HEX_notation ($word);
|
|
|
|
my $new_hash = module_generate_hash ($word_packed, $global_salt, $entry_salt, $iter, $iv, $ct);
|
|
|
|
return ($new_hash, $word);
|
|
}
|
|
|
|
1;
|