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hashcat/tools/test_modules/m07100.pm

66 lines
1.3 KiB
Perl

#!/usr/bin/env perl
##
## Author......: See docs/credits.txt
## License.....: MIT
##
use strict;
use warnings;
use Crypt::PBKDF2;
sub module_constraints { [[0, 255], [-1, -1], [0, 55], [-1, -1], [-1, -1]] }
sub module_generate_hash
{
my $word = shift;
my $unused = shift;
my $salt = shift // random_hex_string (64);
my $iter = shift // 1024;
my $pbkdf2 = Crypt::PBKDF2->new
(
hasher => Crypt::PBKDF2->hasher_from_algorithm ('HMACSHA2', 512),
iterations => $iter
);
my $hash_buf = unpack ("H*", $pbkdf2->PBKDF2 (pack ("H*", $salt), $word));
my $tmp_hash = sprintf ("\$ml\$%i\$%s\$%0128s", $iter, $salt, $hash_buf);
return $tmp_hash;
}
sub module_verify_hash
{
my $line = shift;
my $index1 = index ($line, ":");
return if $index1 < 1;
my $hash = substr ($line, 0, $index1);
my $word = substr ($line, $index1 + 1);
my $index2 = index ($hash, "\$", 5);
return if $index2 < 1;
my $index3 = index ($hash, "\$", $index2 + 1);
my $salt = substr ($hash, $index2 + 1, $index3 - $index2 - 1);
my $iter = substr ($hash, 4, $index2 - 4);
return if (int ($iter) < 1);
my $word_packed = pack_if_HEX_notation ($word);
my $new_hash = module_generate_hash ($word_packed, undef, $salt, $iter);
return ($new_hash, $word);
}
1;