mirror of
https://github.com/hashcat/hashcat.git
synced 2024-12-23 15:18:16 +00:00
110 lines
2.3 KiB
Perl
110 lines
2.3 KiB
Perl
#!/usr/bin/env perl
|
|
|
|
##
|
|
## Author......: See docs/credits.txt
|
|
## License.....: MIT
|
|
##
|
|
|
|
use strict;
|
|
use warnings;
|
|
|
|
use Crypt::PBKDF2;
|
|
use Crypt::CBC;
|
|
use MIME::Base64 qw (decode_base64 encode_base64);
|
|
|
|
sub module_constraints { [[8, 256], [16, 16], [-1, -1], [-1, -1], [-1, -1]] }
|
|
|
|
sub module_generate_hash
|
|
{
|
|
my $word = shift;
|
|
my $salt = shift;
|
|
my $iv = shift // random_hex_string (32);
|
|
my $ct = shift;
|
|
|
|
my $kdf = Crypt::PBKDF2->new
|
|
(
|
|
hasher => Crypt::PBKDF2->hasher_from_algorithm ('HMACSHA2', 512),
|
|
iterations => 5000,
|
|
output_len => 32
|
|
);
|
|
|
|
my $salt_b64 = encode_base64 ($salt, "");
|
|
|
|
my $key = $kdf->PBKDF2 ($salt_b64, $word);
|
|
|
|
my $iv_bin = pack ("H*", $iv);
|
|
|
|
my $cipher = Crypt::CBC->new ({
|
|
key => $key,
|
|
cipher => "Crypt::Rijndael",
|
|
iv => $iv_bin,
|
|
literal_key => 1,
|
|
header => "none",
|
|
keysize => 32,
|
|
padding => "none"
|
|
});
|
|
|
|
my $pt = "";
|
|
|
|
if (! defined ($ct))
|
|
{
|
|
$pt = "[{\"type\":\"HD Key Tree\",\"data\":{\"mnemonic\":\"ocean hidden kidney famous rich season gloom husband spring convince attitude boy\",\"numberOfAccounts\":1,\"hdPath\":\"m/44'/60'/0'/0\"}}]";
|
|
}
|
|
else
|
|
{
|
|
$pt = $cipher->decrypt (pack ("H*", $ct));
|
|
|
|
if ($pt =~ m/^[ -~]*$/) # is_valid_printable_32 ()
|
|
{
|
|
# ok
|
|
}
|
|
else
|
|
{
|
|
$pt = ""; # fake
|
|
}
|
|
}
|
|
|
|
my $ct1 = substr ($cipher->encrypt ($pt), 0, 32);
|
|
|
|
my $hash = sprintf ('$metamaskMobile$%s$%s$%s', $salt_b64, $iv, encode_base64 ($ct1, ""));
|
|
|
|
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, 16) eq '$metamaskMobile$';
|
|
|
|
my (undef, $signature, $salt, $iv, $ct) = split '\$', $hash;
|
|
|
|
return unless defined $signature;
|
|
return unless defined $salt;
|
|
return unless defined $iv;
|
|
return unless defined $ct;
|
|
|
|
my $salt_b64 = decode_base64 ($salt);
|
|
my $iv_bin = pack ("H*", $iv);
|
|
my $ct_bin = decode_base64 ($ct);
|
|
|
|
return unless length $salt_b64 == 16;
|
|
return unless length $iv_bin == 16;
|
|
return unless length $ct_bin == 32;
|
|
|
|
my $word_packed = pack_if_HEX_notation ($word);
|
|
|
|
my $new_hash = module_generate_hash ($word_packed, $salt_b64, $iv, unpack ("H*", $ct_bin));
|
|
|
|
return ($new_hash, $word);
|
|
}
|
|
|
|
1;
|