mirror of
https://github.com/hashcat/hashcat.git
synced 2024-11-30 03:48:17 +00:00
141 lines
2.8 KiB
Perl
141 lines
2.8 KiB
Perl
#!/usr/bin/env perl
|
|
|
|
##
|
|
## Author......: See docs/credits.txt
|
|
## License.....: MIT
|
|
##
|
|
|
|
use strict;
|
|
use warnings;
|
|
|
|
use Digest::SHA qw (sha256);
|
|
use Crypt::CBC;
|
|
|
|
sub module_constraints { [[0, 256], [-1, -1], [0, 55], [-1, -1], [-1, -1]] }
|
|
|
|
sub module_generate_hash
|
|
{
|
|
my $word = shift;
|
|
my $iv = shift || random_hex_string (32);
|
|
my $salt_type = shift || 1;
|
|
my $plain_bin = shift;
|
|
|
|
if ($salt_type ne "1") { die "currently only salt_type 1 supported\n"; }
|
|
|
|
my $key_bin = sha256 (sha256 ($word));
|
|
|
|
my $iv_bin = pack ("H*", $iv);
|
|
|
|
my $cipher = Crypt::CBC->new ({
|
|
key => $key_bin,
|
|
cipher => "Crypt::Rijndael",
|
|
iv => $iv_bin,
|
|
literal_key => 1,
|
|
header => "none",
|
|
keysize => 32,
|
|
padding => "none",
|
|
});
|
|
|
|
if (defined $plain_bin)
|
|
{
|
|
my $encrypted_bin = pack ("H*", $plain_bin);
|
|
|
|
my $test = $cipher->decrypt ($encrypted_bin);
|
|
|
|
if ($test =~ /^[0-9a-f]+$/)
|
|
{
|
|
$plain_bin = $test;
|
|
}
|
|
else
|
|
{
|
|
$plain_bin = "\xff" x 16;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
my $plain = "30313233343536373839616263646566";
|
|
|
|
$plain_bin = pack ("H*", $plain);
|
|
}
|
|
|
|
my $encrypted_bin = $cipher->encrypt ($plain_bin);
|
|
|
|
my $encrypted = unpack ("H*", $encrypted_bin);
|
|
|
|
my $hash = sprintf ("\$electrum\$%d*%s*%s", $salt_type, $iv, $encrypted);
|
|
|
|
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 (/\*/, $hash);
|
|
|
|
return unless scalar @data == 3;
|
|
|
|
my ($mode, $iv, $encrypted) = @data;
|
|
|
|
my (undef, $signature, $salt_type) = split ('\$', $mode);
|
|
|
|
return unless ($signature eq "electrum");
|
|
|
|
my $word_packed = pack_if_HEX_notation ($word);
|
|
|
|
my $new_hash = module_generate_hash ($word_packed, $iv, $salt_type, $encrypted);
|
|
|
|
return ($new_hash, $word);
|
|
}
|
|
|
|
sub get_random_jwt_salt
|
|
{
|
|
my @hashes =
|
|
(
|
|
"HS256",
|
|
#"HS384", #this is support in hashcat, but commented out here to prevent mixed hash output files in single mode
|
|
#"HS512", #this is support in hashcat, but commented out here to prevent mixed hash output files in single mode
|
|
#"RS256", #not supported by hashcat
|
|
#"RS384",
|
|
#"RS512",
|
|
#"PS256",
|
|
#"PS384",
|
|
#"PS512",
|
|
#"ES256",
|
|
#"ES384",
|
|
#"ES512",
|
|
);
|
|
|
|
my $rnd = random_number (0, scalar @hashes - 1);
|
|
|
|
my $hash = $hashes[$rnd];
|
|
|
|
my $header =
|
|
{
|
|
"alg" => $hash
|
|
};
|
|
|
|
my $random_key = random_number (1, 100000000);
|
|
my $random_val = random_number (1, 100000000);
|
|
|
|
my $payload =
|
|
{
|
|
$random_key => $random_val
|
|
};
|
|
|
|
my $header_json = encode_json ($header);
|
|
my $payload_json = encode_json ($payload);
|
|
|
|
my $header_base64 = encode_base64url ($header_json, "");
|
|
my $payload_base64 = encode_base64url ($payload_json, "");
|
|
|
|
return $header_base64 . "." . $payload_base64;
|
|
}
|
|
|
|
1;
|