mirror of
https://github.com/hashcat/hashcat.git
synced 2024-11-22 16:18:09 +00:00
85 lines
2.0 KiB
Perl
85 lines
2.0 KiB
Perl
#!/usr/bin/env perl
|
|
|
|
##
|
|
## Author......: See docs/credits.txt
|
|
## License.....: MIT
|
|
##
|
|
|
|
use strict;
|
|
use warnings;
|
|
|
|
use Crypt::PBKDF2;
|
|
use MIME::Base64 qw (encode_base64 decode_base64);
|
|
|
|
sub module_constraints { [[0, 256], [1, 256], [-1, -1], [-1, -1], [-1, -1]] }
|
|
|
|
sub module_generate_hash
|
|
{
|
|
my $word = shift;
|
|
my $salt = shift;
|
|
my $iter = shift // 10000; # or 100000 default but probably too high for tests
|
|
my $iter2 = shift // 2;
|
|
|
|
my $kdf1 = Crypt::PBKDF2->new
|
|
(
|
|
hasher => Crypt::PBKDF2->hasher_from_algorithm ('HMACSHA2', 256),
|
|
iterations => $iter,
|
|
output_len => 32
|
|
);
|
|
|
|
my $kdf2 = Crypt::PBKDF2->new
|
|
(
|
|
hasher => Crypt::PBKDF2->hasher_from_algorithm ('HMACSHA2', 256),
|
|
iterations => $iter2,
|
|
output_len => 32
|
|
);
|
|
|
|
my $email = $salt;
|
|
|
|
my $digest1 = $kdf1->PBKDF2 ($email, $word);
|
|
my $digest2 = $kdf2->PBKDF2 ($word, $digest1); # position of $word switched !
|
|
|
|
my $hash = sprintf ("\$bitwarden\$2*%d*%d*%s*%s", $iter, $iter2, encode_base64 ($email, ""), encode_base64 ($digest2, ""));
|
|
|
|
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, 12) eq '$bitwarden$2';
|
|
|
|
my ($type, $iter, $iter2, $salt_base64, $hash_base64) = split ('\*', $hash);
|
|
|
|
return unless defined ($type);
|
|
return unless defined ($iter);
|
|
return unless defined ($salt_base64);
|
|
return unless defined ($hash_base64);
|
|
|
|
$type = substr ($type, 11);
|
|
|
|
return unless ($type eq '2');
|
|
return unless ($iter =~ m/^[0-9]{1,7}$/);
|
|
return unless ($iter2 =~ m/^[0-9]{1,7}$/);
|
|
return unless ($salt_base64 =~ m/^[a-zA-Z0-9+\/=]+$/);
|
|
return unless ($hash_base64 =~ m/^[a-zA-Z0-9+\/=]+$/);
|
|
|
|
my $salt = decode_base64 ($salt_base64);
|
|
|
|
my $word_packed = pack_if_HEX_notation ($word);
|
|
|
|
my $new_hash = module_generate_hash ($word_packed, $salt, $iter, $iter2);
|
|
|
|
return ($new_hash, $word);
|
|
}
|
|
|
|
1;
|