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diff --git a/CryptLib/Core/Strength.php b/CryptLib/Core/Strength.php
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+++ b/CryptLib/Core/Strength.php
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+<?php
+/**
+ * The strength FlyweightEnum class
+ *
+ * PHP version 5.3
+ *
+ * @category   PHPCryptLib
+ * @package    Core
+ * @author     Anthony Ferrara <ircmaxell@ircmaxell.com>
+ * @copyright  2011 The Authors
+ * @license    http://www.opensource.org/licenses/mit-license.html  MIT License
+ * @version    Build @@version@@
+ */
+
+namespace CryptLib\Core;
+
+/**
+ * The strength FlyweightEnum class
+ *
+ * All mixing strategies must extend this class
+ *
+ * @category   PHPCryptLib
+ * @package    Core
+ * @author     Anthony Ferrara <ircmaxell@ircmaxell.com>
+ */
+class Strength extends Enum {
+
+    /**
+     * We provide a default value of VeryLow so that we don't accidentally over
+     * state the strength if we forget to pass in a value...
+     */
+    const __DEFAULT = self::VERYLOW;
+
+    /**
+     * This represents Non-Cryptographic strengths.  It should not be used any time
+     * that security or confidentiality is at stake
+     */
+    const VERYLOW = 1;
+
+    /**
+     * This represents the bottom line of Cryptographic strengths.  It may be used
+     * for low security uses where some strength is required.
+     */
+    const LOW = 3;
+
+    /**
+     * This is the general purpose Cryptographical strength.  It should be suitable
+     * for all uses except the most sensitive.
+     */
+    const MEDIUM = 5;
+
+    /**
+     * This is the highest strength available.  It should not be used unless the
+     * high strength is needed, due to hardware constraints (and entropy
+     * limitations).
+     */
+    const HIGH = 7;
+
+}