mirror of
https://github.com/hashcat/hashcat.git
synced 2024-11-22 16:18:09 +00:00
78 lines
1.6 KiB
Perl
78 lines
1.6 KiB
Perl
#!/usr/bin/env perl
|
|
|
|
##
|
|
## Author......: See docs/credits.txt
|
|
## License.....: MIT
|
|
##
|
|
|
|
use strict;
|
|
use warnings;
|
|
|
|
use Crypt::PBKDF2;
|
|
|
|
sub module_constraints { [[0, 256], [32, 32], [-1, -1], [-1, -1], [-1, -1]] }
|
|
|
|
sub module_generate_hash
|
|
{
|
|
my $word = shift;
|
|
my $salt = shift;
|
|
my $iter = shift // 15;
|
|
my $iv = shift // "0" x 32;
|
|
|
|
my $pbkdf2 = Crypt::PBKDF2->new
|
|
(
|
|
hasher => Crypt::PBKDF2->hasher_from_algorithm ('HMACSHA2', 256),
|
|
iterations => (1 << $iter) + 32,
|
|
output_len => 32
|
|
);
|
|
|
|
my $salt_bin = pack ("H*", $salt);
|
|
|
|
my $hash = $pbkdf2->PBKDF2 ($salt_bin, $word);
|
|
|
|
my $hash_final = substr ($hash, 0, 8)
|
|
^ substr ($hash, 8, 8)
|
|
^ substr ($hash, 16, 8)
|
|
^ substr ($hash, 24, 8);
|
|
|
|
my $tmp_hash = sprintf ('$rar5$16$%s$%d$%s$8$%s', $salt, $iter, $iv, unpack ("H*", $hash_final));
|
|
|
|
return $tmp_hash;
|
|
}
|
|
|
|
sub module_verify_hash
|
|
{
|
|
my $line = shift;
|
|
|
|
my ($hash, $word) = split (':', $line);
|
|
|
|
return unless defined $hash;
|
|
return unless defined $word;
|
|
|
|
my @data = split ('\$', $hash);
|
|
|
|
return unless scalar @data == 8;
|
|
|
|
shift @data;
|
|
|
|
my $signature = shift @data;
|
|
my $salt_len = shift @data;
|
|
my $salt_buf = shift @data;
|
|
my $iterations = shift @data;
|
|
my $iv = shift @data;
|
|
my $pswcheck_len = shift @data;
|
|
my $pswcheck = shift @data;
|
|
|
|
return unless ($signature eq "rar5");
|
|
return unless ($salt_len == 16);
|
|
return unless ($pswcheck_len == 8);
|
|
|
|
my $word_packed = pack_if_HEX_notation ($word);
|
|
|
|
my $new_hash = module_generate_hash ($word_packed, $salt_buf, $iterations, $iv);
|
|
|
|
return ($new_hash, $word);
|
|
}
|
|
|
|
1;
|