mirror of
https://github.com/hashcat/hashcat.git
synced 2024-11-15 12:29:35 +00:00
89 lines
1.9 KiB
Perl
89 lines
1.9 KiB
Perl
#!/usr/bin/env perl
|
|
|
|
##
|
|
## Author......: See docs/credits.txt
|
|
## License.....: MIT
|
|
##
|
|
|
|
use strict;
|
|
use warnings;
|
|
|
|
use MIME::Base64 qw (decode_base64 encode_base64);
|
|
use Digest::MD5 qw (md5_hex);
|
|
use Digest::SHA1 qw (sha1);
|
|
use Digest::HMAC qw (hmac);
|
|
use Crypt::PBKDF2;
|
|
|
|
sub module_constraints { [[0, 256], [16, 16], [-1, -1], [-1, -1], [-1, -1]] }
|
|
|
|
my $ITERATIONS = 10000;
|
|
my $MD5_SALT = ":mongo:";
|
|
my $HMAC_SALT = "Server Key";
|
|
|
|
sub module_generate_hash
|
|
{
|
|
my $word = shift;
|
|
my $salt = shift;
|
|
my $iter = shift // $ITERATIONS;
|
|
my $user = shift // random_string (random_number (0, 57));
|
|
|
|
my $pbkdf = Crypt::PBKDF2->new
|
|
(
|
|
hash_class => 'HMACSHA1',
|
|
iterations => $iter,
|
|
output_len => 20
|
|
);
|
|
|
|
my $md5_dgst = md5_hex ($user . $MD5_SALT . $word);
|
|
|
|
my $pbkdf2_dgst = $pbkdf->PBKDF2 ($salt, $md5_dgst);
|
|
|
|
my $hash_buf = hmac ($HMAC_SALT, $pbkdf2_dgst, \&sha1);
|
|
|
|
my $hash = sprintf ('$mongodb-scram$*0*%s*%i*%s*%s', encode_base64 ($user, ""), $iter, encode_base64 ($salt, ""), encode_base64 ($hash_buf, ""));
|
|
|
|
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, 17) eq '$mongodb-scram$*0';
|
|
|
|
my (undef, undef, $user, $iter, $salt) = split ('\*', $hash);
|
|
|
|
return unless defined ($user);
|
|
return unless defined ($iter);
|
|
return unless defined ($salt);
|
|
|
|
return unless ($user =~ m/^[A-Za-z0-9+\/=]{0,76}$/);
|
|
|
|
$user = decode_base64 ($user);
|
|
|
|
return unless (length ($user) <= 57);
|
|
|
|
return unless ($iter =~ m/^[1-9][0-9]{0,7}$/);
|
|
|
|
$iter = int ($iter);
|
|
|
|
return unless ($salt =~ m/^[A-Za-z0-9+\/=]{24}$/);
|
|
|
|
$salt = decode_base64 ($salt);
|
|
|
|
my $word_packed = pack_if_HEX_notation ($word);
|
|
|
|
my $new_hash = module_generate_hash ($word_packed, $salt, $iter, $user);
|
|
|
|
return ($new_hash, $word);
|
|
}
|
|
|
|
1;
|