Code syncronized with shipsimu code base

[hub.git] / inc / classes / interfaces / crypto / class_Cryptable.php

diff --git a/inc/classes/interfaces/crypto/class_Cryptable.php b/inc/classes/interfaces/crypto/class_Cryptable.php
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+++ b/inc/classes/interfaces/crypto/class_Cryptable.php
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+<?php
+/**
+ * A helper class for cryptographical things like hashing passwords and so on
+ *
+ * @author             Roland Haeder <webmaster@ship-simu.org>
+ * @version            0.0.0
+ * @copyright  Copyright (c) 2007, 2008 Roland Haeder, this is free software
+ * @license            GNU GPL 3.0 or any newer version
+ * @link               http://www.ship-simu.org
+ *
+ * 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 3 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, see <http://www.gnu.org/licenses/>.
+ */
+interface Cryptable extends FrameworkInterface {
+       /**
+        * Hashes a string with salt and returns the hash. If an old previous hash
+        * is supplied the method will use the first X chars of that hash for hashing
+        * the password. This is useful if you want to check if the password is
+        * identical for authorization purposes.
+        *
+        * @param       $str            Unhashed string
+        * @param       $oldHash        A hash from previous hashed string
+        * @return      $hashed         The hashed and salted string
+        */
+       function hashString ($str, $oldHash = "");
+
+       /**
+        * Encrypt the string with fixed salt
+        *
+        * @param       $str            The unencrypted string
+        * @return      $encrypted      Encrypted string
+        */
+       function encryptString ($str);
+
+       /**
+        * Decrypt the string with fixed salt
+        *
+        * @param       $encrypted      Encrypted string
+        * @return      $str            The unencrypted string
+        */
+       function decryptString ($encrypted);
+}
+
+// [EOF]
+?>