mirror of
https://github.com/hashcat/hashcat.git
synced 2024-11-14 03:39:09 +00:00
79 lines
1.6 KiB
Perl
79 lines
1.6 KiB
Perl
#!/usr/bin/env perl
|
|
|
|
##
|
|
## Author......: See docs/credits.txt
|
|
## License.....: MIT
|
|
##
|
|
|
|
use strict;
|
|
use warnings;
|
|
|
|
use Digest::SHA1 qw (sha1);
|
|
use Digest::HMAC qw (hmac);
|
|
|
|
use Crypt::PBKDF2;
|
|
|
|
sub module_constraints { [[0, 256], [0, 256], [-1, -1], [-1, -1], [-1, -1]] }
|
|
|
|
sub module_generate_hash
|
|
{
|
|
my $word = shift;
|
|
my $salt = shift;
|
|
my $iter = shift // 4096;
|
|
|
|
my $kdf = Crypt::PBKDF2->new
|
|
(
|
|
hash_class => 'HMACSHA1',
|
|
iterations => $iter,
|
|
output_len => 20
|
|
);
|
|
|
|
my $key = $kdf->PBKDF2 ($salt, $word);
|
|
|
|
my $digest_hmac = hmac ("Client Key", $key, \&sha1, 64);
|
|
|
|
my $digest_sha1 = sha1 ($digest_hmac);
|
|
|
|
my $hash = sprintf ("\$xmpp-scram\$0\$%d\$%d\$%s\$%s", $iter, length ($salt), unpack ("H*", $salt), unpack ("H*", $digest_sha1));
|
|
|
|
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, 13) eq '$xmpp-scram$0';
|
|
|
|
my (undef, $signature, $type, $iter, $salt_len, $salt_hex, $hash_hex) = split '\$', $hash;
|
|
|
|
return unless defined $signature;
|
|
return unless defined $type;
|
|
return unless defined $iter;
|
|
return unless defined $salt_len;
|
|
return unless defined $salt_hex;
|
|
return unless defined $hash_hex;
|
|
|
|
return unless ($signature eq 'xmpp-scram');
|
|
return unless ($type eq '0');
|
|
|
|
my $salt = pack ("H*", $salt_hex);
|
|
|
|
return unless ($salt_len == length $salt);
|
|
|
|
my $word_packed = pack_if_HEX_notation ($word);
|
|
|
|
my $new_hash = module_generate_hash ($word_packed, $salt, $iter);
|
|
|
|
return ($new_hash, $word);
|
|
}
|
|
|
|
1;
|