mirror of https://github.com/hashcat/hashcat.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
81 lines
1.4 KiB
81 lines
1.4 KiB
#!/usr/bin/env perl
|
|
|
|
##
|
|
## Author......: See docs/credits.txt
|
|
## License.....: MIT
|
|
##
|
|
|
|
use strict;
|
|
use warnings;
|
|
|
|
use MIME::Base64 qw (encode_base64 decode_base64);
|
|
use Crypt::PBKDF2;
|
|
|
|
sub module_constraints { [[0, 256], [0, 256], [-1, -1], [-1, -1], [-1, -1]] }
|
|
|
|
sub module_generate_hash
|
|
{
|
|
my $word = shift;
|
|
my $salt = shift;
|
|
my $iter = shift // random_number (100, 10000);
|
|
|
|
my $kdf = Crypt::PBKDF2->new
|
|
(
|
|
hash_class => 'HMACSHA1',
|
|
iterations => $iter,
|
|
output_len => 16
|
|
);
|
|
|
|
my $key = $kdf->PBKDF2 ($salt, $word);
|
|
|
|
my $key_b64 = encode_base64 ($key, "");
|
|
|
|
my $salt_b64 = encode_base64 ($salt, "");
|
|
|
|
my $hash = sprintf ("sha1:%i:%s:%s", $iter, $salt_b64, $key_b64);
|
|
|
|
return $hash;
|
|
}
|
|
|
|
sub module_verify_hash
|
|
{
|
|
my $line = shift;
|
|
|
|
return unless (substr ($line, 0, 5) eq 'sha1:');
|
|
|
|
# iterations
|
|
my $index1 = index ($line, ":", 5);
|
|
|
|
return if $index1 < 1;
|
|
|
|
my $iter = substr ($line, 5, $index1 - 5);
|
|
|
|
# salt
|
|
|
|
my $index2 = index ($line, ":", $index1 + 1);
|
|
|
|
return if $index2 < 1;
|
|
|
|
my $salt = substr ($line, $index1 + 1, $index2 - $index1 - 1);
|
|
|
|
$salt = decode_base64 ($salt);
|
|
|
|
# end of digest
|
|
|
|
$index1 = index ($line, ":", $index2 + 1);
|
|
|
|
return if $index1 < 1;
|
|
|
|
# word / hash
|
|
|
|
my $word = substr ($line, $index1 + 1);
|
|
|
|
my $word_packed = pack_if_HEX_notation ($word);
|
|
|
|
my $new_hash = module_generate_hash ($word_packed, $salt, $iter);
|
|
|
|
return ($new_hash, $word);
|
|
}
|
|
|
|
1;
|