diff --git a/src/Generators/MachineId.php b/src/Generators/MachineId.php
new file mode 100644
index 0000000..3edb48b
--- /dev/null
+++ b/src/Generators/MachineId.php
@@ -0,0 +1,76 @@
+<?php
+/**
+ * Created by PhpStorm.
+ * User: steevenz
+ * Date: 05/04/18
+ * Time: 10.11
+ */
+
+namespace O2System\Security\Generators;
+
+use O2System\Kernel\Http\Message\Uri;
+
+/**
+ * Class MachineId
+ *
+ * Generate Machine ID based on System Metadata information in UUID (Universally Unique Identifier) format.
+ *
+ * @package O2System\Security\Generators
+ */
+class MachineId
+{
+    /**
+     * MachineId::generate
+     *
+     * @return string
+     */
+    public static function generate()
+    {
+        if(class_exists('O2System\Filesystem\System')) {
+            $system = new \O2System\Filesystem\System();
+
+            $metadata = [
+                'machine' => $system->getMachine(),
+                'operatingSystem' => [
+                    'name' => $system->getName(),
+                    'version' => $system->getVersion(),
+                    'release' => $system->getRelease()
+                ],
+                'hostname' => $system->getHostname(),
+                'cpuCores' => $system->getCpuCores(),
+                'macAddress' => $system->getMacAddress()
+            ];
+        } else {
+            $metadata = [
+                'machine' => php_uname('m'),
+                'operatingSystem' => [
+                    'name' => php_uname('s'),
+                    'version' => php_uname('v'),
+                    'release' => php_uname('r')
+                ],
+                'hostname' => php_uname('n'),
+                'cpuCores' => 1,
+                'macAddress' => implode(':', str_split(substr(md5('none'), 0, 12), 2))
+            ];
+        }
+
+        $uri = new Uri();
+
+        $metadata['domain'] = $uri->getHost();
+        $metadata['ipAddress'] = $_SERVER['SERVER_ADDR'];
+
+        $string = json_encode($metadata);
+        $string = md5($string);
+
+        // Converts to UUID (Universally Unique Identifier)
+        $parts[] = substr($string, 0, 8);
+        $parts[] = substr($string, 8, 4);
+        $parts[] = substr($string, 12, 4);
+        $parts[] = substr($string, 16, 4);
+        $parts[] = substr($string, 20, 12);
+
+        $parts = array_map('strtoupper', $parts);
+
+        return implode('-', $parts);
+    }
+}
\ No newline at end of file
diff --git a/src/Generators/Token.php b/src/Generators/Token.php
new file mode 100644
index 0000000..6ba39f4
--- /dev/null
+++ b/src/Generators/Token.php
@@ -0,0 +1,94 @@
+<?php
+/**
+ * This file is part of the O2System PHP Framework package.
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ *
+ * @author         Mohamad Rafi Randoni
+ * @copyright      Copyright (c) Steeve Andrian Salim
+ */
+
+// ------------------------------------------------------------------------
+
+namespace O2System\Security\Generators;
+
+// ------------------------------------------------------------------------
+
+/**
+ * Class Token
+ *
+ * Security token generator.
+ *
+ * @package O2System\Security\Generators
+ */
+class Token
+{
+    /**
+     * Token::ALPHANUMERIC_STRING
+     *
+     * @var int
+     */
+    const ALPHANUMERIC_STRING = 0;
+
+    /**
+     * Token::ALPHAUPPERCASE_STRING
+     *
+     * @var int
+     */
+    const ALPHAUPPERCASE_STRING = 1;
+
+    /**
+     * Token::ALPHALOWERCASE_STRING
+     *
+     * @var int
+     */
+    const ALPHALOWERCASE_STRING = 2;
+
+    /**
+     * Token::NUMERIC_STRING
+     *
+     * @var int
+     */
+    const NUMERIC_STRING = 3;
+
+    // ------------------------------------------------------------------------
+
+    /**
+     * Token::generate
+     *
+     * @param int $length Token string length.
+     * @param int $type   Token string type.
+     *
+     * @return string
+     */
+    public static function generate($length = 8, $type = self::ALPHANUMERIC_STRING)
+    {
+        switch ($type) {
+            default:
+            case self::ALPHANUMERIC_STRING:
+                $codeAlphabet = implode(range('A', 'Z')); // Uppercase Alphabet
+                $codeAlphabet .= implode(range('a', 'z')); // Lowercase Alphabet
+                $codeAlphabet .= implode(range(0, 9)); // Numeric Alphabet
+                break;
+            case self::ALPHAUPPERCASE_STRING:
+                $codeAlphabet = implode(range('A', 'Z')); // Uppercase Alphabet
+                break;
+            case self::ALPHALOWERCASE_STRING:
+                $codeAlphabet = implode(range('a', 'z')); // Lowercase Alphabet
+                break;
+            case self::NUMERIC_STRING:
+                $codeAlphabet = implode(range(0, 9)); // Numeric Alphabet
+                break;
+        }
+
+        $token = "";
+        $max = strlen($codeAlphabet);
+
+        for ($i = 0; $i < $length; $i++) {
+            $token .= $codeAlphabet[ random_int(0, $max - 1) ];
+        }
+
+        return $token;
+    }
+}
\ No newline at end of file
diff --git a/src/Generators/Uid.php b/src/Generators/Uid.php
new file mode 100644
index 0000000..e7cfe75
--- /dev/null
+++ b/src/Generators/Uid.php
@@ -0,0 +1,33 @@
+<?php
+/**
+ * This file is part of the O2System PHP Framework package.
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ *
+ * @author         Mohamad Rafi Randoni
+ * @copyright      Copyright (c) Steeve Andrian Salim
+ */
+
+// ------------------------------------------------------------------------
+
+namespace O2System\Security\Generators;
+
+// ------------------------------------------------------------------------
+
+/**
+ * Class Uid
+ * @package O2System\Security\Generators
+ */
+class Uid
+{
+    public static function generate($length = 8)
+    {
+        $ids = str_split(time() . mt_rand());
+        shuffle($ids);
+
+        $ids = array_slice($ids,0, $length);
+
+        return implode('', $ids);
+    }
+}
\ No newline at end of file
diff --git a/src/Generators/Uuid.php b/src/Generators/Uuid.php
new file mode 100644
index 0000000..0d766c7
--- /dev/null
+++ b/src/Generators/Uuid.php
@@ -0,0 +1,45 @@
+<?php
+/**
+ * This file is part of the O2System PHP Framework package.
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ *
+ * @author         Mohamad Rafi Randoni
+ * @copyright      Copyright (c) Steeve Andrian Salim
+ */
+
+// ------------------------------------------------------------------------
+
+namespace O2System\Security\Generators;
+
+// ------------------------------------------------------------------------
+
+/**
+ * Class Uuid
+ *
+ * UUID (Universally Unique Identifier) Generator.
+ * A UUID is a 16-octet (128-bit) number.
+ * In its canonical form, a UUID is represented by 32 hexadecimal digits, displayed in five groups separated by hyphens,
+ * in the form 8-4-4-4-12 for a total of 36 characters (32 alphanumeric characters and four hyphens).
+ *
+ * @package O2System\Security\Generators
+ */
+class Uuid
+{
+    /**
+     * Uuid::generate
+     *
+     * @return string
+     */
+    public static function generate()
+    {
+        return sprintf('%04x%04x-%04x-%04x-%04x-%04x%04x%04x',
+            mt_rand(0, 0xffff), mt_rand(0, 0xffff),
+            mt_rand(0, 0xffff),
+            mt_rand(0, 0x0C2f) | 0x4000,
+            mt_rand(0, 0x3fff) | 0x8000,
+            mt_rand(0, 0x2Aff), mt_rand(0, 0xffD3), mt_rand(0, 0xff4B)
+        );
+    }
+}
\ No newline at end of file