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.
90 lines
1.7 KiB
90 lines
1.7 KiB
#!/usr/bin/env perl
|
|
|
|
##
|
|
## Author......: See docs/credits.txt
|
|
## License.....: MIT
|
|
##
|
|
|
|
use strict;
|
|
use warnings;
|
|
|
|
use Digest::SHA qw (sha256);
|
|
use Digest::HMAC qw (hmac_hex);
|
|
use Encode;
|
|
|
|
sub module_constraints { [[0, 256], [16, 16], [-1, -1], [-1, -1], [-1, -1]] }
|
|
|
|
sub module_generate_hash
|
|
{
|
|
my $word = shift;
|
|
my $salt = shift;
|
|
|
|
my $iv_aes = shift // random_bytes (16);
|
|
my $key_aes = shift // random_bytes (32);
|
|
|
|
my $word_utf16le = encode ('UTF-16le', $word);
|
|
|
|
my $key = $salt . "\x00" x 16;
|
|
|
|
for (my $i = 0; $i < 8192; $i++)
|
|
{
|
|
$key = sha256 ($key . $word_utf16le);
|
|
}
|
|
|
|
my $digest = hmac_hex ($iv_aes . $key_aes, $key, \&sha256, 64);
|
|
|
|
# hex conversion:
|
|
|
|
my $salt_hex = unpack ("H*", $salt);
|
|
my $iv_hex = unpack ("H*", $iv_aes);
|
|
my $key_hex = unpack ("H*", $key_aes);
|
|
|
|
my $hash = sprintf ("\$aescrypt\$1*%s*%s*%s*%s", $salt_hex, $iv_hex, $key_hex, $digest);
|
|
|
|
return $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) == 5);
|
|
|
|
my $signature = substr ($data[0], 0, 10);
|
|
|
|
return unless ($signature eq "\$aescrypt\$");
|
|
|
|
my $version = substr ($data[0], 10);
|
|
|
|
return unless ($version eq "1");
|
|
|
|
my $salt = $data[1];
|
|
my $iv = $data[2];
|
|
my $key = $data[3];
|
|
|
|
return unless (length ($salt) == 32); # hex lengths
|
|
return unless (length ($iv) == 32);
|
|
return unless (length ($key) == 64);
|
|
|
|
# binary conversion:
|
|
|
|
$salt = pack ("H*", $salt);
|
|
$iv = pack ("H*", $iv);
|
|
$key = pack ("H*", $key);
|
|
|
|
my $word_packed = pack_if_HEX_notation ($word);
|
|
|
|
my $new_hash = module_generate_hash ($word_packed, $salt, $iv, $key);
|
|
|
|
return ($new_hash, $word);
|
|
}
|
|
|
|
1;
|