mirror of
https://github.com/hashcat/hashcat.git
synced 2024-11-01 13:09:11 +00:00
118 lines
3.5 KiB
Perl
118 lines
3.5 KiB
Perl
#!/usr/bin/env perl
|
|
|
|
##
|
|
## Author......: See docs/credits.txt
|
|
## License.....: MIT
|
|
##
|
|
|
|
use strict;
|
|
use warnings;
|
|
|
|
use Crypt::PBKDF2;
|
|
|
|
sub module_constraints { [[0, 256], [16, 16], [-1, -1], [-1, -1], [-1, -1]] }
|
|
|
|
sub module_generate_hash
|
|
{
|
|
my $word = shift;
|
|
my $salt = shift;
|
|
my $iter = shift;
|
|
|
|
my $iterations = 64;
|
|
|
|
if (length ($iter))
|
|
{
|
|
$iterations = 1 << int ($iter);
|
|
}
|
|
|
|
my $digest = aix_ssha256_pbkdf2 ($word, $salt, $iterations);
|
|
|
|
return sprintf ("{ssha256}%02i\$%s\$%s", log ($iterations) / log (2), $salt, $digest);
|
|
}
|
|
|
|
sub module_verify_hash
|
|
{
|
|
my $line = shift;
|
|
|
|
my ($hash, $word) = split (':', $line);
|
|
|
|
return unless defined $hash;
|
|
return unless defined $word;
|
|
|
|
my $signature = substr ($hash, 0, 9);
|
|
|
|
return unless ($signature eq "{ssha256}");
|
|
|
|
$hash = substr ($hash, 9);
|
|
|
|
my @data = split ('\$', $hash);
|
|
|
|
return unless scalar @data == 3;
|
|
|
|
my $iter = shift (@data);
|
|
my $salt = shift @data;
|
|
my $digest = shift @data;
|
|
|
|
my $word_packed = pack_if_HEX_notation ($word);
|
|
|
|
my $new_hash = module_generate_hash ($word_packed, $salt, $iter);
|
|
|
|
return ($new_hash, $word);
|
|
}
|
|
|
|
sub aix_ssha256_pbkdf2
|
|
{
|
|
my $word_buf = shift;
|
|
my $salt_buf = shift;
|
|
my $iterations = shift;
|
|
|
|
my $hasher = Crypt::PBKDF2->hasher_from_algorithm ('HMACSHA2', 256);
|
|
|
|
my $pbkdf2 = Crypt::PBKDF2->new (
|
|
hasher => $hasher,
|
|
iterations => $iterations,
|
|
output_len => 32
|
|
);
|
|
|
|
my $hash_buf = $pbkdf2->PBKDF2 ($salt_buf, $word_buf);
|
|
|
|
my $tmp_hash = "";
|
|
|
|
$tmp_hash .= to64 ((int (ord (substr ($hash_buf, 0, 1))) << 16) | (int (ord (substr ($hash_buf, 1, 1))) << 8) | (int (ord (substr ($hash_buf, 2, 1)))), 4);
|
|
$tmp_hash .= to64 ((int (ord (substr ($hash_buf, 3, 1))) << 16) | (int (ord (substr ($hash_buf, 4, 1))) << 8) | (int (ord (substr ($hash_buf, 5, 1)))), 4);
|
|
$tmp_hash .= to64 ((int (ord (substr ($hash_buf, 6, 1))) << 16) | (int (ord (substr ($hash_buf, 7, 1))) << 8) | (int (ord (substr ($hash_buf, 8, 1)))), 4);
|
|
$tmp_hash .= to64 ((int (ord (substr ($hash_buf, 9, 1))) << 16) | (int (ord (substr ($hash_buf, 10, 1))) << 8) | (int (ord (substr ($hash_buf, 11, 1)))), 4);
|
|
$tmp_hash .= to64 ((int (ord (substr ($hash_buf, 12, 1))) << 16) | (int (ord (substr ($hash_buf, 13, 1))) << 8) | (int (ord (substr ($hash_buf, 14, 1)))), 4);
|
|
$tmp_hash .= to64 ((int (ord (substr ($hash_buf, 15, 1))) << 16) | (int (ord (substr ($hash_buf, 16, 1))) << 8) | (int (ord (substr ($hash_buf, 17, 1)))), 4);
|
|
$tmp_hash .= to64 ((int (ord (substr ($hash_buf, 18, 1))) << 16) | (int (ord (substr ($hash_buf, 19, 1))) << 8) | (int (ord (substr ($hash_buf, 20, 1)))), 4);
|
|
$tmp_hash .= to64 ((int (ord (substr ($hash_buf, 21, 1))) << 16) | (int (ord (substr ($hash_buf, 22, 1))) << 8) | (int (ord (substr ($hash_buf, 23, 1)))), 4);
|
|
$tmp_hash .= to64 ((int (ord (substr ($hash_buf, 24, 1))) << 16) | (int (ord (substr ($hash_buf, 25, 1))) << 8) | (int (ord (substr ($hash_buf, 26, 1)))), 4);
|
|
$tmp_hash .= to64 ((int (ord (substr ($hash_buf, 27, 1))) << 16) | (int (ord (substr ($hash_buf, 28, 1))) << 8) | (int (ord (substr ($hash_buf, 29, 1)))), 4);
|
|
$tmp_hash .= to64 ((int (ord (substr ($hash_buf, 30, 1))) << 16) | (int (ord (substr ($hash_buf, 31, 1))) << 8) , 3);
|
|
|
|
return $tmp_hash;
|
|
}
|
|
|
|
sub to64
|
|
{
|
|
my $v = shift;
|
|
my $n = shift;
|
|
|
|
my $itoa64 = "./0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
|
|
|
|
my $ret = "";
|
|
|
|
while (($n - 1) >= 0)
|
|
{
|
|
$n = $n - 1;
|
|
|
|
$ret .= substr ($itoa64, $v & 0x3f, 1);
|
|
|
|
$v = $v >> 6;
|
|
}
|
|
|
|
return $ret
|
|
}
|
|
|
|
1;
|