mirror of
https://github.com/hashcat/hashcat.git
synced 2024-11-30 03:48:17 +00:00
111 lines
2.5 KiB
Perl
111 lines
2.5 KiB
Perl
#!/usr/bin/env perl
|
|
|
|
##
|
|
## Author......: See docs/credits.txt
|
|
## License.....: MIT
|
|
##
|
|
|
|
use strict;
|
|
use warnings;
|
|
|
|
use Bitcoin::Crypto qw (btc_prv btc_extprv);
|
|
use Bitcoin::Crypto::Base58 qw (decode_base58check);
|
|
|
|
sub module_constraints { [[51, 51], [-1, -1], [-1, -1], [-1, -1], [-1, -1]] }
|
|
|
|
# Note:
|
|
# We expect valid WIF format which for BTC private address is 51/52 base58 characters long.
|
|
# For uncompressed P2PKH the length of the WIF is always 51.
|
|
# Standard test.pl is generating random passwords consisting only from digits.
|
|
# That does not work for this mode.
|
|
# So we have introduced new function: module_get_random_password ()
|
|
# that will help to generate random valid password for the module from a given seed.
|
|
#
|
|
# It will be called from test.pl if it exists in the module, otherwise everything
|
|
# will work as in legacy code. Search test.pl for module_get_random_password ()
|
|
|
|
sub module_generate_hash
|
|
{
|
|
my $word = shift; # expecting valid WIF formated private key
|
|
|
|
my @is_valid_base58 = eval
|
|
{
|
|
decode_base58check ($word); # or we could use validate_wif ()
|
|
};
|
|
|
|
return if (! @is_valid_base58);
|
|
|
|
# validate WIF (check password, "verify")
|
|
|
|
my $priv = "";
|
|
|
|
my @is_valid_wif = eval
|
|
{
|
|
$priv = btc_prv->from_wif ($word);
|
|
};
|
|
|
|
return if (! @is_valid_wif);
|
|
|
|
return if ($priv->compressed != 0);
|
|
|
|
my $pub = $priv->get_public_key ();
|
|
my $hash = $pub->get_segwit_address ();
|
|
|
|
return $hash;
|
|
}
|
|
|
|
sub module_verify_hash
|
|
{
|
|
my $line = shift;
|
|
|
|
my $idx = rindex ($line, ':');
|
|
|
|
return unless $idx >= 0;
|
|
|
|
my $hash = substr ($line, 0, $idx);
|
|
my $word = substr ($line, $idx + 1);
|
|
|
|
return unless (defined ($hash));
|
|
return unless (defined ($word));
|
|
|
|
my @is_valid_base58 = eval
|
|
{
|
|
decode_base58check ($word);
|
|
};
|
|
|
|
return unless ($hash =~ m/^bc1[qpzry9x8gf2tvdw0s3jn54khce6mua7l]*$/); # bech32/base32 encoding
|
|
|
|
return unless (@is_valid_base58);
|
|
|
|
return unless (length ($word) == 51);
|
|
|
|
return unless (substr ($word, 0, 1) eq "5");
|
|
|
|
my $new_hash = module_generate_hash ($word);
|
|
|
|
return ($new_hash, $word);
|
|
}
|
|
|
|
sub module_get_random_password
|
|
{
|
|
# new function added to generate valid password for an algorithm
|
|
# from a given seed as a parameter
|
|
|
|
my $seed = shift;
|
|
|
|
my $master_key = btc_extprv->from_seed ($seed); # expecting random seed from test.pl
|
|
my $derived_key = $master_key->derive_key ("m/0'");
|
|
|
|
my $priv = $derived_key->get_basic_key ();
|
|
|
|
my $IS_COMPRESSED = 0;
|
|
|
|
$priv->set_compressed ($IS_COMPRESSED);
|
|
|
|
# return WIF format
|
|
|
|
return $priv->to_wif ();
|
|
}
|
|
|
|
1;
|