Full JS : first pass, all seems to work execpt add/delete/update
This commit is contained in:
Gregory Soutade
parent
875b48899c
commit
f56d067483
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@ -215,7 +215,7 @@ function update_entry($user, $mkey, $old_login, $url, $login, $password)
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return false;
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return false;
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}
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}
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function list_entries($user, $mkey)
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function list_entries($user)
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{
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{
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$db = load_database($user);
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$db = load_database($user);
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@ -223,46 +223,10 @@ function list_entries($user, $mkey)
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$result = $db->query("SELECT * FROM gpass");
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$result = $db->query("SELECT * FROM gpass");
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$res = array();
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while (($row = $result->fetchArray()))
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$valid_accounts = 0;
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$total_accounts = 0;
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while ($row = $result->fetchArray())
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{
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{
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$total_accounts++;
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echo $row['login'] . ";" . $row['password'] . "\n";
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if ($mkey != "")
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$login = decrypt($mkey, $row['login'], false);
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else
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$login = "";
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if ($login[0] != '@' && $login[1] != '@')
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{
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$subres = array('login_ciph' => $row['login'],
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'url' => '', 'login' => '',
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'password' => $row['password'],
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'ciphered' => 1);
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array_push($res, $subres);
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continue;
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}
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$login = substr($login, 2);
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$sep = strpos($login, ';');
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$url = substr($login, 0, $sep);
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$login = substr($login, $sep+1);
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$password = decrypt($mkey, $row['password'], true);
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$subres = array('login_ciph' => $row['login'],
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'url' => $url, 'login' => $login,
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'password' => $password,
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'ciphered' => 0);
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array_push($res, $subres);
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$valid_accounts++;
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}
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}
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return array($total_accounts-$valid_accounts, $res);
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}
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}
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?>
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?>
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136
server/index.php
Executable file → Normal file
136
server/index.php
Executable file → Normal file
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@ -25,62 +25,34 @@ session_start();
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$VIEW_CIPHERED_PASSWORDS=true;
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$VIEW_CIPHERED_PASSWORDS=true;
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$ADMIN_MODE=true;
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$ADMIN_MODE=true;
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$mkey = (isset($_POST['mkey'])) ? $_POST['mkey'] : "";
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if (isset($_GET['get_passwords']) && isset($_GET['user']))
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$user = (isset($_POST['user'])) ? $_POST['user'] : "";
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return list_entries($_GET['user']);
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?>
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?>
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<!DOCTYPE html>
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<!DOCTYPE html>
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<html>
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<html>
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<head>
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<head>
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<meta http-equiv="Content-Type" content="text/html;charset=utf-8" >
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<meta http-equiv="Content-Type" content="text/html;charset=utf-8" >
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<link rel="stylesheet" type="text/css" href="ressources/gpass.css" />
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<link rel="stylesheet" type="text/css" href="ressources/gpass.css" />
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<script src="ressources/jssha256.js"></script>
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<script src="ressources/jsaes.js"></script>
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<script src="ressources/hmac.js"></script>
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<script src="ressources/jssha256.js"></script>
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<script src="ressources/pkdbf2.js"></script>
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<script src="ressources/hmac.js"></script>
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<script src="ressources/gpass.js"></script>
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<script src="ressources/pkdbf2.js"></script>
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<?php
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<script src="ressources/gpass.js"></script>
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global $user;
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<title>gPass : global Password</title>
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if ($user == "")
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</head>
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echo "<title>gPass : global Password</title>\n";
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<body onload="start();">
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else
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<div id="logo">
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echo "<title>gPass : global Password - $user</title>\n";
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<a href="http://indefero.soutade.fr/p/gpass"><img src="ressources/gpass.png" alt="logo"/></a>
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?>
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</div>
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</head>
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<body>
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<?php
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global $mkey;
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if ($ADMIN_MODE && isset($_POST['create_user']))
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{
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if (create_user($_POST['user']))
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$user = $_POST['user'];
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}
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else
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{
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if (isset($_POST['add']))
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add_entry($user, $mkey, $_POST['url'], $_POST['login'], $_POST['pwd']);
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else if (isset($_POST['delete']))
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delete_entry($user, $_POST['login_ciph']);
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else if (isset($_POST['update']))
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update_entry($user, $mkey, $_POST['login_ciph'], $_POST['url'], $_POST['login'], $_POST['pwd']);
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}
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?>
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<div id="logo">
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<a href="http://indefero.soutade.fr/p/gpass"><img src="ressources/gpass.png" alt="logo"/></a>
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</div>
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<div id="admin" <?php if (!$ADMIN_MODE) echo "style=\"display:none\"";?> >
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<div id="admin" <?php if (!$ADMIN_MODE) echo "style=\"display:none\"";?> >
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<form method="post">
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<form method="post">
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<input type="text" name="user"/> <input type="submit" name="create_user" value="Create user" onclick="return confirm('Are you sure want to create this user ?');"/>
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<input type="text" name="user"/> <input type="submit" name="create_user" value="Create user" onclick="return confirm('Are you sure want to create this user ?');"/>
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</form>
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</form>
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</div>
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</div>
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<div id="user">
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<div id="user">
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<form method="post" id="select_user">
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<?php
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<?php
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global $user;
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global $mkey;
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$users = scandir("./users/");
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$users = scandir("./users/");
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$count = 0;
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$count = 0;
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foreach($users as $u)
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foreach($users as $u)
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@ -93,7 +65,7 @@ if ($count == 0)
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echo "<b>No user found</b><br/>\n";
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echo "<b>No user found</b><br/>\n";
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else
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else
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{
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{
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echo '<b>User</b> <select id="selected_user" name="user">' . "\n";
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echo "<b>User</b> <select id=\"selected_user\" name=\"user\" onchange=\"document.getElementById('master_key').value = ''\">" . "\n";
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foreach($users as $u)
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foreach($users as $u)
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{
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{
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if (is_dir("./users/" . $u) && $u[0] != '_' && $u[0] != '.')
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if (is_dir("./users/" . $u) && $u[0] != '_' && $u[0] != '.')
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@ -106,64 +78,16 @@ else
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}
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}
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}
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}
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echo "</select>\n";
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echo "</select>\n";
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echo ' <b>Master key </b> <input id="see_password" type="password" name="mkey"/>';
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echo ' <b>Master key </b> <input id="master_key" type="password" onkeypress="if (event.keyCode == 13) update_master_key();"/>';
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echo "<input name=\"see\" type=\"submit\" value=\"See\" onclick=\"if (document.getElementById('see_password').value == '') return true; a=document.getElementById('selected_user') ; return derive_mkey(a.options[a.selectedIndex].value, 'see_password') ;\"/>" . "\n";
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echo "<input type=\"button\" value=\"See\" onclick=\"update_master_key();\" />" . "\n";
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if ($_SERVER['HTTPS'] == "")
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echo "<div id=\"addon_address\">Current addon address is : http://" . $_SERVER['SERVER_NAME'] . "/" . $user . "</div>\n";
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else
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echo "<div id=\"addon_address\">Current addon address is : https://" . $_SERVER['SERVER_NAME'] . "/" . $user . "</div>\n";
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}
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}
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?>
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</form>
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<?php
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global $user;
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if ($_SERVER['HTTPS'] == "")
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echo "<div id=\"addon_address\">Current addon address is : http://" . $_SERVER['SERVER_NAME'] . "/" . $user . "</div>\n";
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else
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echo "<div id=\"addon_address\">Current addon address is : https://" . $_SERVER['SERVER_NAME'] . "/" . $user . "</div>\n";
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?>
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?>
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<div id="passwords">
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<div id="passwords">
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<?php
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global $user;
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global $mkey;
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global $VIEW_UNCIPHERED_PASSWORDS;
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if ($user != "")
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{
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$nb_unciphered = 0;
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list($nb_ciphered, $entries) = list_entries($user, $mkey);
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echo "<b>" . (count($entries) - $nb_ciphered) . " unciphered password(s)</b><br/>\n";
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foreach($entries as $entry)
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{
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if ($entry['ciphered'] == 1) continue;
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echo '<form method="post">' . "\n";
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echo '<input type="hidden" name="user" value="' . $user . '"/>';
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echo '<input type="hidden" name="mkey" value="' . $mkey . '"/>';
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echo '<input type="hidden" name="login_ciph" value="' . $entry['login_ciph'] . '"/>';
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echo 'URL <input type="text" name="url" value="' . $entry['url'] . '"/>';
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echo 'login <input type="text" name="login" value="' . $entry['login'] . '"/>';
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echo 'password <input type="text" name="pwd" value="' . $entry['password'] . '"/>';
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echo '<input type="submit" name="delete" value="Delete" onclick="return confirm(\'Are you sure want to delete this password ?\');"/>';
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echo '<input type="submit" name="update" value="Update" onclick="return confirm(\'Are you sure want to update this password ?\');"/>';
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echo '</form>' . "\n";
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}
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echo "<br/><br/>\n";
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echo "<b>$nb_ciphered ciphered password(s)</b><br/>\n";
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if ($VIEW_CIPHERED_PASSWORDS)
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{
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foreach($entries as $entry)
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{
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if ($entry['ciphered'] == 0) continue;
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echo '<form method="post">' . "\n";
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echo '<input type="hidden" name="user" value="' . $user . '"/>';
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echo '<input type="hidden" name="mkey" value="' . $mkey . '"/>';
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echo '<input class="hash" type="text" name="login_ciph" value="' . $entry['login_ciph'] . '"/>';
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echo '<input class="hash" type="text" name="pwd" value="' . $entry['password'] . '"/>';
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echo '<input type="submit" name="delete" value="Delete" onclick="return confirm(\'Are you sure want to delete this password ?\');"/>';
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echo '</form>' . "\n";
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}
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}
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}
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?>
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</div>
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</div>
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<div id="add_new_password">
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<div id="add_new_password">
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<?php
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<?php
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@ -187,4 +111,4 @@ if ($user != "")
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</div>
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</div>
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</div>
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</div>
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</body>
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</body>
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</html>
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</html>
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@ -31,9 +31,11 @@ body {
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border-color:green;
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border-color:green;
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padding : 15px;
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padding : 15px;
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margin : 15px;
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margin : 15px;
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text-align:center;
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}
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}
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#user input {
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#user input {
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margin-left : 15px;
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margin-right : 30px;
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margin-right : 30px;
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margin-top : 10px;
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margin-top : 10px;
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margin-bottom : 10px;
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margin-bottom : 10px;
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@ -72,20 +72,219 @@ function a2hex(str) {
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return hex;
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return hex;
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}
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}
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function derive_mkey(user, mkey_target)
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function derive_mkey(user, mkey)
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{
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{
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mkey_target = document.getElementById(mkey_target) ;
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mkey = mkey_target.value;
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if (mkey.length == 0)
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{
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alert('Empty master key');
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return false;
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}
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url = url_domain(document.URL) + "/" + user;
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url = url_domain(document.URL) + "/" + user;
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mkey = a2hex(pkdbf2(mkey, url, 1000, 256/8));
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mkey = a2hex(pkdbf2(mkey, url, 1000, 256/8));
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mkey_target.value = mkey;
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return true;
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return mkey;
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}
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var passwords;
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var current_user = "";
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var current_mkey = "";
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function PasswordEntry (ciphered_login="", ciphered_password="") {
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this.ciphered_login = ciphered_login;
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this.ciphered_password = ciphered_password;
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this.unciphered = false;
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this.clear_url = "";
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this.clear_login = "";
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this.clear_password = "";
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this.masterkey = "";
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this.decrypt = function(masterkey)
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{
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if (masterkey == this.masterkey && this.unciphered == true)
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return true;
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if (masterkey == "" || this.unciphered == true)
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return false;
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aes = new AES();
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a_masterkey = aes.init(hex2a(masterkey));
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login = aes.decryptLongString(hex2a(this.ciphered_login), a_masterkey);
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if (login.indexOf("@@") != 0)
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{
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aes.finish();
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return false;
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}
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// Remove @@
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login = login.substring(2);
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infos = login.split(";");
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this.clear_url = infos[0];
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this.clear_login = infos[1];
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this.clear_password = aes.decryptLongString(hex2a(this.ciphered_password), a_masterkey);
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this.unciphered = true;
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this.masterkey = masterkey;
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aes.finish();
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return true;
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}
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this.isUnciphered = function(masterkey)
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{
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return (this.unciphered == true && masterkey == this.masterkey && masterkey != "")
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}
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}
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function list_all_entries(user)
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{
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passwords = new Array();
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req = new XMLHttpRequest();
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req.addEventListener("load", function(evt) {
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entries = this.responseText.split("\n");
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for(i=0; i<entries.length; i++)
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{
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if (entries[i] == "") continue;
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entry = entries[i].split(";");
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passwords.push(new PasswordEntry(entry[0], entry[1]));
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}
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}, false);
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req.open("GET", document.documentURI + "?get_passwords=1&user=" + user, false);
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req.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded; charset=UTF-8');
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req.send(null);
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}
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function change_master_key()
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{
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nb_ciphered_passwords = 0;
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nb_unciphered_passwords = 0;
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for(i=0; i<passwords.length; i++)
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{
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ret = passwords[i].decrypt(current_mkey);
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if (ret)
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nb_unciphered_passwords++;
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else
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nb_ciphered_passwords++;
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}
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password_div = document.getElementById("passwords");
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while (password_div.hasChildNodes())
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password_div.removeChild(password_div.childNodes[0]);
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text = document.createElement("b");
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text.appendChild(document.createTextNode(nb_unciphered_passwords + " unciphered password(s)"));
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password_div.appendChild(text);
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password_div.appendChild(document.createElement("br"));
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password_div.appendChild(document.createElement("br"));
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for(i=0; i<passwords.length; i++)
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{
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if (passwords[i].isUnciphered(current_mkey))
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{
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|
div = document.createElement("div");
|
||||||
|
div.setAttribute("id", i);
|
||||||
|
div.setAttribute("class", "password");
|
||||||
|
|
||||||
|
div.appendChild(document.createTextNode("URL"));
|
||||||
|
url = document.createElement("input");
|
||||||
|
url.setAttribute("type", "text");
|
||||||
|
url.setAttribute("name", "URL");
|
||||||
|
url.setAttribute("value", passwords[i].clear_url);
|
||||||
|
div.appendChild(url);
|
||||||
|
|
||||||
|
div.appendChild(document.createTextNode("login"));
|
||||||
|
login = document.createElement("input");
|
||||||
|
login.setAttribute("type", "text");
|
||||||
|
login.setAttribute("name", "login");
|
||||||
|
login.setAttribute("value", passwords[i].clear_login);
|
||||||
|
div.appendChild(login);
|
||||||
|
|
||||||
|
div.appendChild(document.createTextNode("password"));
|
||||||
|
password = document.createElement("input");
|
||||||
|
password.setAttribute("type", "text");
|
||||||
|
password.setAttribute("name", "password");
|
||||||
|
password.setAttribute("value", passwords[i].clear_password);
|
||||||
|
div.appendChild(password);
|
||||||
|
|
||||||
|
delete_button = document.createElement("input");
|
||||||
|
delete_button.setAttribute("type", "button");
|
||||||
|
delete_button.setAttribute("value", "Delete");
|
||||||
|
div.appendChild(delete_button);
|
||||||
|
|
||||||
|
update_button = document.createElement("input");
|
||||||
|
update_button.setAttribute("type", "button");
|
||||||
|
update_button.setAttribute("value", "Update");
|
||||||
|
div.appendChild(update_button);
|
||||||
|
|
||||||
|
password_div.appendChild(div);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
text = document.createElement("b");
|
||||||
|
text.appendChild(document.createTextNode(nb_ciphered_passwords + " ciphered password(s)"));
|
||||||
|
password_div.appendChild(document.createElement("br"));
|
||||||
|
password_div.appendChild(document.createElement("br"));
|
||||||
|
password_div.appendChild(text);
|
||||||
|
password_div.appendChild(document.createElement("br"));
|
||||||
|
password_div.appendChild(document.createElement("br"));
|
||||||
|
|
||||||
|
for(i=0; i<passwords.length; i++)
|
||||||
|
{
|
||||||
|
if (!passwords[i].isUnciphered(current_mkey))
|
||||||
|
{
|
||||||
|
div = document.createElement("div");
|
||||||
|
div.setAttribute("id", i);
|
||||||
|
div.setAttribute("class", "password");
|
||||||
|
|
||||||
|
div.appendChild(document.createTextNode("URL"));
|
||||||
|
url = document.createElement("input");
|
||||||
|
url.setAttribute("class", "hash");
|
||||||
|
url.setAttribute("type", "text");
|
||||||
|
url.setAttribute("name", "URL");
|
||||||
|
url.setAttribute("value", passwords[i].ciphered_login);
|
||||||
|
div.appendChild(url);
|
||||||
|
|
||||||
|
div.appendChild(document.createTextNode("password"));
|
||||||
|
password = document.createElement("input");
|
||||||
|
password.setAttribute("class", "hash");
|
||||||
|
password.setAttribute("type", "text");
|
||||||
|
password.setAttribute("name", "password");
|
||||||
|
password.setAttribute("value", passwords[i].ciphered_password);
|
||||||
|
div.appendChild(password);
|
||||||
|
|
||||||
|
delete_button = document.createElement("input");
|
||||||
|
delete_button.setAttribute("type", "button");
|
||||||
|
delete_button.setAttribute("value", "Delete");
|
||||||
|
div.appendChild(delete_button);
|
||||||
|
|
||||||
|
password_div.appendChild(div);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
function update_master_key()
|
||||||
|
{
|
||||||
|
user = select_widget.options[select_widget.selectedIndex].value;
|
||||||
|
|
||||||
|
if (user != current_user)
|
||||||
|
{
|
||||||
|
current_user = user;
|
||||||
|
document.title = "gPass : global Password - " + current_user;
|
||||||
|
passwords = new Array();
|
||||||
|
list_all_entries(current_user);
|
||||||
|
|
||||||
|
addon_address = document.getElementById("addon_address");
|
||||||
|
addon_address.removeChild(addon_address.childNodes[0]);
|
||||||
|
addon_address.appendChild(document.createTextNode("Current addon address is : " + document.documentURI + current_user));
|
||||||
|
}
|
||||||
|
|
||||||
|
current_mkey = document.getElementById("master_key").value;
|
||||||
|
|
||||||
|
if (current_mkey != "")
|
||||||
|
current_mkey = derive_mkey(current_user, current_mkey);
|
||||||
|
|
||||||
|
change_master_key();
|
||||||
|
}
|
||||||
|
|
||||||
|
function start()
|
||||||
|
{
|
||||||
|
select_widget = document.getElementById('selected_user') ;
|
||||||
|
|
||||||
|
if (select_widget == null) return;
|
||||||
|
|
||||||
|
return update_master_key();
|
||||||
}
|
}
|
||||||
291
server/ressources/jsaes.js
Normal file
291
server/ressources/jsaes.js
Normal file
|
|
@ -0,0 +1,291 @@
|
||||||
|
/*
|
||||||
|
* jsaes version 0.1 - Copyright 2006 B. Poettering
|
||||||
|
*
|
||||||
|
* This program is free software; you can redistribute it and/or
|
||||||
|
* modify it under the terms of the GNU General Public License as
|
||||||
|
* published by the Free Software Foundation; either version 2 of the
|
||||||
|
* License, or (at your option) any later version.
|
||||||
|
*
|
||||||
|
* This program is distributed in the hope that it will be useful,
|
||||||
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||||
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||||
|
* General Public License for more details.
|
||||||
|
*
|
||||||
|
* You should have received a copy of the GNU General Public License
|
||||||
|
* along with this program; if not, write to the Free Software
|
||||||
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
||||||
|
* 02111-1307 USA
|
||||||
|
*/
|
||||||
|
|
||||||
|
/*
|
||||||
|
* http://point-at-infinity.org/jsaes/
|
||||||
|
*
|
||||||
|
* This is a javascript implementation of the AES block cipher. Key lengths
|
||||||
|
* of 128, 192 and 256 bits are supported.
|
||||||
|
*
|
||||||
|
* The well-functioning of the encryption/decryption routines has been
|
||||||
|
* verified for different key lengths with the test vectors given in
|
||||||
|
* FIPS-197, Appendix C.
|
||||||
|
*
|
||||||
|
* The following code example enciphers the plaintext block '00 11 22 .. EE FF'
|
||||||
|
* with the 256 bit key '00 01 02 .. 1E 1F'.
|
||||||
|
*
|
||||||
|
* AES_Init();
|
||||||
|
*
|
||||||
|
* var block = new Array(16);
|
||||||
|
* for(var i = 0; i < 16; i++)
|
||||||
|
* block[i] = 0x11 * i;
|
||||||
|
*
|
||||||
|
* var key = new Array(32);
|
||||||
|
* for(var i = 0; i < 32; i++)
|
||||||
|
* key[i] = i;
|
||||||
|
*
|
||||||
|
* AES_ExpandKey(key);
|
||||||
|
* AES_Encrypt(block, key);
|
||||||
|
*
|
||||||
|
* AES_Done();
|
||||||
|
*
|
||||||
|
* Report bugs to: jsaes AT point-at-infinity.org
|
||||||
|
*
|
||||||
|
*/
|
||||||
|
|
||||||
|
/******************************************************************************/
|
||||||
|
|
||||||
|
/*
|
||||||
|
AES_Init: initialize the tables needed at runtime. Call this function
|
||||||
|
before the (first) key expansion.
|
||||||
|
*/
|
||||||
|
|
||||||
|
function AES_Init() {
|
||||||
|
AES_Sbox_Inv = new Array(256);
|
||||||
|
for(var i = 0; i < 256; i++)
|
||||||
|
AES_Sbox_Inv[AES_Sbox[i]] = i;
|
||||||
|
|
||||||
|
AES_ShiftRowTab_Inv = new Array(16);
|
||||||
|
for(var i = 0; i < 16; i++)
|
||||||
|
AES_ShiftRowTab_Inv[AES_ShiftRowTab[i]] = i;
|
||||||
|
|
||||||
|
AES_xtime = new Array(256);
|
||||||
|
for(var i = 0; i < 128; i++) {
|
||||||
|
AES_xtime[i] = i << 1;
|
||||||
|
AES_xtime[128 + i] = (i << 1) ^ 0x1b;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
AES_Done: release memory reserved by AES_Init. Call this function after
|
||||||
|
the last encryption/decryption operation.
|
||||||
|
*/
|
||||||
|
|
||||||
|
function AES_Done() {
|
||||||
|
delete AES_Sbox_Inv;
|
||||||
|
delete AES_ShiftRowTab_Inv;
|
||||||
|
delete AES_xtime;
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
AES_ExpandKey: expand a cipher key. Depending on the desired encryption
|
||||||
|
strength of 128, 192 or 256 bits 'key' has to be a byte array of length
|
||||||
|
16, 24 or 32, respectively. The key expansion is done "in place", meaning
|
||||||
|
that the array 'key' is modified.
|
||||||
|
*/
|
||||||
|
|
||||||
|
function AES_ExpandKey(key) {
|
||||||
|
var kl = key.length, ks, Rcon = 1;
|
||||||
|
switch (kl) {
|
||||||
|
case 16: ks = 16 * (10 + 1); break;
|
||||||
|
case 24: ks = 16 * (12 + 1); break;
|
||||||
|
case 32: ks = 16 * (14 + 1); break;
|
||||||
|
default:
|
||||||
|
alert("AES_ExpandKey: Only key lengths of 16, 24 or 32 bytes allowed!");
|
||||||
|
}
|
||||||
|
for(var i = kl; i < ks; i += 4) {
|
||||||
|
var temp = key.slice(i - 4, i);
|
||||||
|
if (i % kl == 0) {
|
||||||
|
temp = new Array(AES_Sbox[temp[1]] ^ Rcon, AES_Sbox[temp[2]],
|
||||||
|
AES_Sbox[temp[3]], AES_Sbox[temp[0]]);
|
||||||
|
if ((Rcon <<= 1) >= 256)
|
||||||
|
Rcon ^= 0x11b;
|
||||||
|
}
|
||||||
|
else if ((kl > 24) && (i % kl == 16))
|
||||||
|
temp = new Array(AES_Sbox[temp[0]], AES_Sbox[temp[1]],
|
||||||
|
AES_Sbox[temp[2]], AES_Sbox[temp[3]]);
|
||||||
|
for(var j = 0; j < 4; j++)
|
||||||
|
key[i + j] = key[i + j - kl] ^ temp[j];
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
AES_Encrypt: encrypt the 16 byte array 'block' with the previously
|
||||||
|
expanded key 'key'.
|
||||||
|
*/
|
||||||
|
|
||||||
|
function AES_Encrypt(block, key) {
|
||||||
|
var l = key.length;
|
||||||
|
AES_AddRoundKey(block, key.slice(0, 16));
|
||||||
|
for(var i = 16; i < l - 16; i += 16) {
|
||||||
|
AES_SubBytes(block, AES_Sbox);
|
||||||
|
AES_ShiftRows(block, AES_ShiftRowTab);
|
||||||
|
AES_MixColumns(block);
|
||||||
|
AES_AddRoundKey(block, key.slice(i, i + 16));
|
||||||
|
}
|
||||||
|
AES_SubBytes(block, AES_Sbox);
|
||||||
|
AES_ShiftRows(block, AES_ShiftRowTab);
|
||||||
|
AES_AddRoundKey(block, key.slice(i, l));
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
AES_Decrypt: decrypt the 16 byte array 'block' with the previously
|
||||||
|
expanded key 'key'.
|
||||||
|
*/
|
||||||
|
|
||||||
|
function AES_Decrypt(block, key) {
|
||||||
|
var l = key.length;
|
||||||
|
AES_AddRoundKey(block, key.slice(l - 16, l));
|
||||||
|
AES_ShiftRows(block, AES_ShiftRowTab_Inv);
|
||||||
|
AES_SubBytes(block, AES_Sbox_Inv);
|
||||||
|
for(var i = l - 32; i >= 16; i -= 16) {
|
||||||
|
AES_AddRoundKey(block, key.slice(i, i + 16));
|
||||||
|
AES_MixColumns_Inv(block);
|
||||||
|
AES_ShiftRows(block, AES_ShiftRowTab_Inv);
|
||||||
|
AES_SubBytes(block, AES_Sbox_Inv);
|
||||||
|
}
|
||||||
|
AES_AddRoundKey(block, key.slice(0, 16));
|
||||||
|
}
|
||||||
|
|
||||||
|
/******************************************************************************/
|
||||||
|
|
||||||
|
/* The following lookup tables and functions are for internal use only! */
|
||||||
|
|
||||||
|
AES_Sbox = new Array(99,124,119,123,242,107,111,197,48,1,103,43,254,215,171,
|
||||||
|
118,202,130,201,125,250,89,71,240,173,212,162,175,156,164,114,192,183,253,
|
||||||
|
147,38,54,63,247,204,52,165,229,241,113,216,49,21,4,199,35,195,24,150,5,154,
|
||||||
|
7,18,128,226,235,39,178,117,9,131,44,26,27,110,90,160,82,59,214,179,41,227,
|
||||||
|
47,132,83,209,0,237,32,252,177,91,106,203,190,57,74,76,88,207,208,239,170,
|
||||||
|
251,67,77,51,133,69,249,2,127,80,60,159,168,81,163,64,143,146,157,56,245,
|
||||||
|
188,182,218,33,16,255,243,210,205,12,19,236,95,151,68,23,196,167,126,61,
|
||||||
|
100,93,25,115,96,129,79,220,34,42,144,136,70,238,184,20,222,94,11,219,224,
|
||||||
|
50,58,10,73,6,36,92,194,211,172,98,145,149,228,121,231,200,55,109,141,213,
|
||||||
|
78,169,108,86,244,234,101,122,174,8,186,120,37,46,28,166,180,198,232,221,
|
||||||
|
116,31,75,189,139,138,112,62,181,102,72,3,246,14,97,53,87,185,134,193,29,
|
||||||
|
158,225,248,152,17,105,217,142,148,155,30,135,233,206,85,40,223,140,161,
|
||||||
|
137,13,191,230,66,104,65,153,45,15,176,84,187,22);
|
||||||
|
|
||||||
|
AES_ShiftRowTab = new Array(0,5,10,15,4,9,14,3,8,13,2,7,12,1,6,11);
|
||||||
|
|
||||||
|
function AES_SubBytes(state, sbox) {
|
||||||
|
for(var i = 0; i < 16; i++)
|
||||||
|
state[i] = sbox[state[i]];
|
||||||
|
}
|
||||||
|
|
||||||
|
function AES_AddRoundKey(state, rkey) {
|
||||||
|
for(var i = 0; i < 16; i++)
|
||||||
|
state[i] ^= rkey[i];
|
||||||
|
}
|
||||||
|
|
||||||
|
function AES_ShiftRows(state, shifttab) {
|
||||||
|
var h = new Array().concat(state);
|
||||||
|
for(var i = 0; i < 16; i++)
|
||||||
|
state[i] = h[shifttab[i]];
|
||||||
|
}
|
||||||
|
|
||||||
|
function AES_MixColumns(state) {
|
||||||
|
for(var i = 0; i < 16; i += 4) {
|
||||||
|
var s0 = state[i + 0], s1 = state[i + 1];
|
||||||
|
var s2 = state[i + 2], s3 = state[i + 3];
|
||||||
|
var h = s0 ^ s1 ^ s2 ^ s3;
|
||||||
|
state[i + 0] ^= h ^ AES_xtime[s0 ^ s1];
|
||||||
|
state[i + 1] ^= h ^ AES_xtime[s1 ^ s2];
|
||||||
|
state[i + 2] ^= h ^ AES_xtime[s2 ^ s3];
|
||||||
|
state[i + 3] ^= h ^ AES_xtime[s3 ^ s0];
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
function AES_MixColumns_Inv(state) {
|
||||||
|
for(var i = 0; i < 16; i += 4) {
|
||||||
|
var s0 = state[i + 0], s1 = state[i + 1];
|
||||||
|
var s2 = state[i + 2], s3 = state[i + 3];
|
||||||
|
var h = s0 ^ s1 ^ s2 ^ s3;
|
||||||
|
var xh = AES_xtime[h];
|
||||||
|
var h1 = AES_xtime[AES_xtime[xh ^ s0 ^ s2]] ^ h;
|
||||||
|
var h2 = AES_xtime[AES_xtime[xh ^ s1 ^ s3]] ^ h;
|
||||||
|
state[i + 0] ^= h1 ^ AES_xtime[s0 ^ s1];
|
||||||
|
state[i + 1] ^= h2 ^ AES_xtime[s1 ^ s2];
|
||||||
|
state[i + 2] ^= h1 ^ AES_xtime[s2 ^ s3];
|
||||||
|
state[i + 3] ^= h2 ^ AES_xtime[s3 ^ s0];
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
function bin2String (array) {
|
||||||
|
var result = "";
|
||||||
|
for (var i = 0; i < array.length; i++) {
|
||||||
|
result += String.fromCharCode(parseInt(array[i], 2));
|
||||||
|
}
|
||||||
|
return result;
|
||||||
|
}
|
||||||
|
|
||||||
|
function string2Bin (str) {
|
||||||
|
var result = [];
|
||||||
|
for (var i = 0; i < str.length; i++) {
|
||||||
|
result.push(str.charCodeAt(i));
|
||||||
|
}
|
||||||
|
while ((result.length % 16))
|
||||||
|
result.push(0);
|
||||||
|
return result;
|
||||||
|
}
|
||||||
|
|
||||||
|
function bin2String (array) {
|
||||||
|
return String.fromCharCode.apply(String, array);
|
||||||
|
}
|
||||||
|
|
||||||
|
// http://osama-oransa.blogspot.fr/2012/03/using-aes-encrypting-in-java-script.html
|
||||||
|
function AES(a) {
|
||||||
|
this.init = function (myKey){
|
||||||
|
AES_Init();
|
||||||
|
var key = string2Bin(myKey);
|
||||||
|
AES_ExpandKey(key);
|
||||||
|
return key;
|
||||||
|
}
|
||||||
|
|
||||||
|
this.encrypt = function ( inputStr,key ) {
|
||||||
|
var block = string2Bin(inputStr);
|
||||||
|
AES_Encrypt(block, key);
|
||||||
|
var data=bin2String(block);
|
||||||
|
return data;
|
||||||
|
}
|
||||||
|
|
||||||
|
this.decrypt = function ( inputStr,key ) {
|
||||||
|
block = string2Bin(inputStr);
|
||||||
|
AES_Decrypt(block, key);
|
||||||
|
var data=bin2String(block);
|
||||||
|
return data;
|
||||||
|
}
|
||||||
|
|
||||||
|
this.encryptLongString = function( myString,key ) {
|
||||||
|
if(myString.length>16){
|
||||||
|
var data='';
|
||||||
|
for(var i=0;i<myString.length;i=i+16){
|
||||||
|
data+=this.encrypt(myString.substr(i,16),key);
|
||||||
|
}
|
||||||
|
return data;
|
||||||
|
}else{
|
||||||
|
return this.encrypt(myString,key);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
this.decryptLongString = function ( myString,key ) {
|
||||||
|
if(myString.length>16){
|
||||||
|
var data='';
|
||||||
|
for(var i=0;i<myString.length;i=i+16){
|
||||||
|
data+=this.decrypt(myString.substr(i,16),key);
|
||||||
|
}
|
||||||
|
return data;
|
||||||
|
}else{
|
||||||
|
return this.decrypt(myString,key);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
this.finish = function(){
|
||||||
|
AES_Done();
|
||||||
|
}
|
||||||
|
}
|
||||||
Loading…
Reference in New Issue
Block a user