/**
* This file is a part of MyWebSQL package
*
* @file: modules/splash.php
* @author Samnan ur Rehman
* @copyright (c) 2008-2012 Samnan ur Rehman
* @web http://mywebsql.net
* @license http://mywebsql.net/license
*/
function getSplashScreen($msg = '', $formCode = '')
{
if ($formCode) {
$formCode = '<div class="login"><form method="post" action="" name="dbform" id="dbform" style="text-align:center">' . $formCode . '</form></div>';
}
$scripts = "jquery";
$extraScript = "";
if (secureLoginPage()) {
$scripts = "jquery,encrypt";
$e = Session::get('auth_enc', 'e');
$d = Session::get('auth_enc', 'd');
$n = Session::get('auth_enc', 'n');
$keyLength = 128;
if (!$e || !$d || !$n) {
$enc_lib = BASE_PATH . (extension_loaded('openssl') && extension_loaded('gmp') && extension_loaded('bcmath') ? "/lib/external/jcryption.php" : "/lib/external/jcryption-legacy.php");
require_once $enc_lib;
$jCryption = new jCryption();
$keys = $jCryption->generateKeypair($keyLength);
$e = array("int" => $keys["e"], "hex" => $jCryption->dec2string($keys["e"], 16));
$d = array("int" => $keys["d"], "hex" => $jCryption->dec2string($keys["d"], 16));
$n = array("int" => $keys["n"], "hex" => $jCryption->dec2string($keys["n"], 16));
Session::set('auth_enc', 'e', $e);
Session::set('auth_enc', 'd', $d);
Session::set('auth_enc', 'n', $n);
}
$keyData = '{"e":"' . $e["hex"] . '","n":"' . $n["hex"] . '","maxdigits":"' . intval($keyLength * 2 / 16 + 3) . '"}';
$extraScript = '<script language="javascript" type="text/javascript">
$(function() {
$.jCryption.defaultOptions.getKeysURL = ' . $keyData . ';
$("#dbform").jCryption();
});
</script>';
}
$replace = array('MESSAGE' => $msg ? '<div class="msg">' . htmlspecialchars($msg) . '</div>' : '', 'FORM' => $formCode, 'APP_VERSION' => APP_VERSION, 'PROJECT_SITEURL' => PROJECT_SITEURL, 'SCRIPTS' => $scripts, 'EXTRA_SCRIPT' => $extraScript);
return view('splash', $replace);
}
public function GenKeyPair()
{
$keyfile = Service::ServiceData(SInfo::DATA_ADMIN_KEYFILE);
$mykeys = NULL;
$keyLength = 512;
if (file_exists($keyfile)) {
$str = file_get_contents($keyfile);
if ($str != '') {
$mykeys = unserialize($str);
}
}
if ($mykeys == NULL) {
$jCryption = new jCryption();
$keys = $jCryption->generateKeypair($keyLength);
$e_hex = $jCryption->dec2string($keys['e'], 16);
$n_hex = $jCryption->dec2string($keys['n'], 16);
$mykeys = array('e_hex' => $e_hex, 'n_hex' => $n_hex, 'd_int' => $keys['d'], 'n_int' => $keys['n']);
$serialized_str = serialize($mykeys);
file_put_contents($keyfile, $serialized_str);
chmod($keyfile, 0600);
}
$_SESSION['d_int'] = $mykeys['d_int'];
$_SESSION['n_int'] = $mykeys['n_int'];
return '{"e":"' . $mykeys['e_hex'] . '","n":"' . $mykeys['n_hex'] . '","maxdigits":"' . intval($keyLength * 2 / 16 + 3) . '"}';
}
<?php
session_start();
require_once "../../jcryption.php";
$keyLength = 256;
$jCryption = new jCryption();
if (isset($_GET["generateKeypair"])) {
$keys = $jCryption->generateKeypair($keyLength);
$_SESSION["e"] = array("int" => $keys["e"], "hex" => $jCryption->dec2string($keys["e"], 16));
$_SESSION["d"] = array("int" => $keys["d"], "hex" => $jCryption->dec2string($keys["d"], 16));
$_SESSION["n"] = array("int" => $keys["n"], "hex" => $jCryption->dec2string($keys["n"], 16));
echo '{"e":"' . $_SESSION["e"]["hex"] . '","n":"' . $_SESSION["n"]["hex"] . '","maxdigits":"' . intval($keyLength * 2 / 16 + 3) . '"}';
} else {
$var = $jCryption->decrypt($_POST['jCryption'], $_SESSION["d"]["int"], $_SESSION["n"]["int"]);
echo $var;
}
$e_hex = RSAKeyImport::dec2string($e_int, 16);
$n_hex = RSAKeyImport::dec2string($n_int, 16);
$mykeys = array('e_hex' => $e_hex, 'n_hex' => $n_hex, 'd_int' => $d_int, 'n_int' => $n_int);
return $mykeys;
}
}
## main
# openssl genrsa -out key.pem 512
$mykeys = NULL;
if (isset($argv[1])) {
$pemfile = $argv[1];
$mykeys = RSAKeyImport::import_and_convert($pemfile);
}
if ($mykeys == FALSE) {
echo "Using php to generate keys, please be patient ... \n";
$keyLength = 512;
$jCryption = new jCryption();
$keys = $jCryption->generateKeypair($keyLength);
$e_hex = $jCryption->dec2string($keys['e'], 16);
$n_hex = $jCryption->dec2string($keys['n'], 16);
$mykeys = array('e_hex' => $e_hex, 'n_hex' => $n_hex, 'd_int' => $keys['d'], 'n_int' => $keys['n']);
}
$keyfile = '../conf/jcryption_keypair';
$serialized_str = serialize($mykeys);
$result = file_put_contents($keyfile, $serialized_str);
chmod($keyfile, 0600);
if ($result == TRUE) {
exit(0);
} else {
exit(1);
}
