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.
68 lines
1.5 KiB
68 lines
1.5 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], [1, 15], [-1, -1], [-1, -1], [-1, -1]] }
|
|
|
|
sub module_generate_hash
|
|
{
|
|
my $word = shift;
|
|
my $salt = shift;
|
|
my $iterations = shift // 1000;
|
|
my $out_len = shift // 16;
|
|
|
|
my $pbkdf2 = Crypt::PBKDF2->new
|
|
(
|
|
hasher => Crypt::PBKDF2->hasher_from_algorithm ('HMACSHA2', 512),
|
|
iterations => $iterations,
|
|
output_len => $out_len
|
|
);
|
|
|
|
my $digest = encode_base64 ($pbkdf2->PBKDF2 ($salt, $word), "");
|
|
|
|
my $base64_salt = encode_base64 ($salt, "");
|
|
|
|
my $hash = sprintf ("sha512:%i:%s:%s", $iterations, $base64_salt, $digest);
|
|
|
|
return $hash;
|
|
}
|
|
|
|
sub module_verify_hash
|
|
{
|
|
my $line = shift;
|
|
|
|
my ($digest, $word) = split (/:([^:]+)$/, $line);
|
|
|
|
return unless defined $digest;
|
|
return unless defined $word;
|
|
|
|
my ($signature, $iterations, $salt_encoded, $hash_encoded) = split (':', $digest);
|
|
|
|
return unless ($signature eq 'sha512');
|
|
return unless defined $iterations;
|
|
return unless defined $salt_encoded;
|
|
return unless defined $hash_encoded;
|
|
|
|
my $hash = decode_base64 ($hash_encoded);
|
|
my $salt = decode_base64 ($salt_encoded);
|
|
|
|
my $out_len = length ($hash);
|
|
|
|
my $word_packed = pack_if_HEX_notation ($word);
|
|
|
|
my $new_hash = module_generate_hash ($word_packed, $salt, $iterations, $out_len);
|
|
|
|
return ($new_hash, $word);
|
|
}
|
|
|
|
1;
|