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Add -m 9400 unit test

This commit is contained in:
jsteube 2019-02-18 12:26:58 +01:00
parent 69cee1291a
commit fe8a0e5bca

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#!/usr/bin/env perl
##
## Author......: See docs/credits.txt
## License.....: MIT
##
use strict;
use warnings;
use Digest::SHA qw (sha1);
use Encode;
use Crypt::Mode::ECB;
sub module_constraints { [[0, 19], [32, 32], [-1, -1], [-1, -1], [-1, -1]] }
sub module_generate_hash
{
my $word = shift;
my $salt = shift;
my $param = shift;
my $param2 = shift;
my $iter = 50000;
my $aes_key_size = 128; # or 256
if (defined ($param2))
{
$aes_key_size = $param2;
}
my $salt_bin = pack ("H*", $salt);
my $tmp = sha1 ($salt_bin . encode ("UTF-16LE", $word));
for (my $i = 0; $i < $iter; $i++)
{
my $num32 = pack ("L", $i);
$tmp = sha1 ($num32 . $tmp);
}
my $zero32 = pack ("L", 0x00);
my $derivation_array1 = pack ("C", 0x36) x 64;
my $derivation_array2 = pack ("C", 0x5C) x 64;
$tmp = sha1 ($tmp . $zero32);
my $tmp2 = sha1 ($derivation_array1 ^ $tmp);
my $tmp3 = sha1 ($derivation_array2 ^ $tmp);
my $key = substr ($tmp2 . $tmp3, 0, $aes_key_size / 8);
my $m = Crypt::Mode::ECB->new ('AES', 0);
my $encdata;
if (defined $param)
{
$encdata = $m->decrypt (pack ("H*", $param), $key);
}
else
{
$encdata = "A" x 16; ## can be anything
}
my $data1_buf = $encdata;
my $data2_buf = sha1 (substr ($data1_buf, 0, 16));
$data1_buf = substr ($data1_buf . ("\x00" x 16), 0, 16);
$data2_buf = substr ($data2_buf . ("\x00" x 16), 0, 32);
my $encrypted1 = unpack ("H*", $m->encrypt ($data1_buf, $key));
my $encrypted2 = unpack ("H*", $m->encrypt ($data2_buf, $key));
$encrypted1 = substr ($encrypted1, 0, 32);
$encrypted2 = substr ($encrypted2, 0, 40);
my $hash = sprintf ("\$office\$*%d*%d*%d*%d*%s*%s*%s", 2007, 20, $aes_key_size, 16, $salt, $encrypted1, $encrypted2);
return $hash;
}
sub module_verify_hash
{
my $line = shift;
# Office 2007
my ($hash_in, $word) = split ":", $line;
return unless defined $hash_in;
return unless defined $word;
my @data = split /\*/, $hash_in;
return unless scalar @data == 8;
return unless (shift @data eq '$office$');
return unless (shift @data eq '2007');
return unless (shift @data eq '20');
my $aes_key_size = shift @data;
return unless (($aes_key_size eq '128') || ($aes_key_size eq '256'));
return unless (shift @data eq '16');
return unless (length $data[0] == 32);
return unless (length $data[1] == 32);
return unless (length $data[2] == 40);
my $salt = shift @data;
my $param = shift @data;
my $param2 = $aes_key_size;
return unless defined $salt;
return unless defined $param;
return unless defined $param2;
$word = pack_if_HEX_notation ($word);
my $new_hash = module_generate_hash ($word, $salt, $param, $param2);
return ($new_hash, $word);
}
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