mirror of
https://github.com/hashcat/hashcat.git
synced 2024-11-18 06:08:16 +00:00
77 lines
1.4 KiB
Perl
77 lines
1.4 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], [32, 32], [-1, -1], [-1, -1], [-1, -1]] }
|
|
|
|
sub module_generate_hash
|
|
{
|
|
my $word = shift;
|
|
my $salt = shift;
|
|
my $param = shift;
|
|
|
|
my $iterations = 4096;
|
|
|
|
my $salt2 = $salt . $salt;
|
|
|
|
if (defined $param)
|
|
{
|
|
$salt2 = $param;
|
|
}
|
|
|
|
my $pbkdf2 = Crypt::PBKDF2->new
|
|
(
|
|
hasher => Crypt::PBKDF2->hasher_from_algorithm ('HMACSHA2', 256),
|
|
iterations => $iterations,
|
|
output_len => 32
|
|
);
|
|
|
|
my $salt_bin = pack ("H*", $salt);
|
|
|
|
my $tmp = $pbkdf2->PBKDF2 ($salt_bin, $word);
|
|
|
|
my $salt2_bin = pack ("H*", $salt2);
|
|
|
|
my $hash_hmac = hmac_hex ($salt2_bin, $tmp, \&sha256, 64);
|
|
|
|
my $hash = sprintf ("%s%s%s", $salt2, $hash_hmac, $salt);
|
|
|
|
return $hash;
|
|
}
|
|
|
|
sub module_verify_hash
|
|
{
|
|
my $line = shift;
|
|
|
|
my ($hash_in, $word) = split ":", $line;
|
|
|
|
return unless defined $hash_in;
|
|
return unless defined $word;
|
|
|
|
return unless length $hash_in == 160;
|
|
|
|
my $param = substr ($hash_in, 0, 64);
|
|
my $salt = substr ($hash_in, 128, 32);
|
|
|
|
return unless defined $salt;
|
|
return unless defined $word;
|
|
|
|
$word = pack_if_HEX_notation ($word);
|
|
|
|
my $new_hash = module_generate_hash ($word, $salt, $param);
|
|
|
|
return ($new_hash, $word);
|
|
}
|
|
|
|
1;
|