mirror of
https://github.com/hashcat/hashcat.git
synced 2024-11-01 13:09:11 +00:00
118 lines
2.2 KiB
Perl
118 lines
2.2 KiB
Perl
#!/usr/bin/env perl
|
|
|
|
##
|
|
## Author......: See docs/credits.txt
|
|
## License.....: MIT
|
|
##
|
|
|
|
use strict;
|
|
use warnings;
|
|
|
|
use Crypt::CBC;
|
|
use Crypt::PBKDF2;
|
|
|
|
sub module_constraints { [[0, 256], [-1, -1], [-1, -1], [-1, -1], [-1, -1]] }
|
|
|
|
sub get_random_agilekeychain_salt
|
|
{
|
|
my $salt_buf = random_bytes (8);
|
|
|
|
my $iv = random_bytes (16);
|
|
|
|
my $prefix = "\x00" x 1008;
|
|
|
|
my $ret = unpack ("H*", $salt_buf . $prefix . $iv);
|
|
|
|
return $ret;
|
|
}
|
|
|
|
sub module_generate_hash
|
|
{
|
|
my $word = shift;
|
|
my $salt = shift;
|
|
my $iter = shift // 1000;
|
|
|
|
if (length $salt == 0)
|
|
{
|
|
$salt = get_random_agilekeychain_salt ();
|
|
}
|
|
|
|
my $salt_hex = substr ($salt, 0, 16);
|
|
my $salt_bin = pack ("H*", $salt_hex);
|
|
|
|
my $prefix = substr ($salt, 16, 2016);
|
|
|
|
my $iv_hex = substr ($salt, 2032);
|
|
my $iv = pack ("H*", $iv_hex);
|
|
|
|
my $data = pack ("H*", "10101010101010101010101010101010");
|
|
|
|
my $hasher = Crypt::PBKDF2->hasher_from_algorithm ('HMACSHA1');
|
|
|
|
my $pbkdf2 = Crypt::PBKDF2->new (
|
|
hasher => $hasher,
|
|
iterations => $iter,
|
|
output_len => 16
|
|
);
|
|
|
|
my $key = $pbkdf2->PBKDF2 ($salt_bin, $word);
|
|
|
|
my $cipher = Crypt::CBC->new ({
|
|
key => $key,
|
|
cipher => "Crypt::Rijndael",
|
|
iv => $iv,
|
|
literal_key => 1,
|
|
header => "none",
|
|
keysize => 16
|
|
});
|
|
|
|
my $encrypted = unpack ("H*", $cipher->encrypt ($data));
|
|
|
|
my $hash_buf = substr ($encrypted, 0, 32);
|
|
|
|
my $hash = sprintf ("%i:%s:%s%s%s", $iter, $salt_hex, $prefix, $iv_hex, $hash_buf);
|
|
|
|
return $hash;
|
|
}
|
|
|
|
sub module_verify_hash
|
|
{
|
|
my $line = shift;
|
|
|
|
my $num_cols = () = $line =~ /:/g;
|
|
|
|
return unless ($num_cols > 2);
|
|
|
|
my $index1 = index ($line, ":");
|
|
|
|
return if $index1 < 1;
|
|
|
|
my $iter = substr ($line, 0, $index1);
|
|
|
|
my $index2 = index ($line, ":", $index1 + 1);
|
|
|
|
return if $index2 < 1;
|
|
|
|
my $salt = substr ($line, $index1 + 1, $index2 - $index1 - 1);
|
|
|
|
$index1 = index ($line, ":", $index2 + 1);
|
|
|
|
return if $index1 < 1;
|
|
|
|
$salt .= substr ($line, $index2 + 1, $index1 - $index2 - 33);
|
|
|
|
my $word = substr ($line, $index1 + 1);
|
|
|
|
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;
|
|
|