Index: t3lib/class.t3lib_userauth.php
===================================================================
--- t3lib/class.t3lib_userauth.php	(revision 8265)
+++ t3lib/class.t3lib_userauth.php	(working copy)
@@ -228,7 +228,7 @@
 			// If new session or client tries to fix session...
 		if (!$id || !$this->isExistingSessionRecord($id))	{
 				// New random session-$id is made
-			$id = substr(md5(uniqid('').getmypid()),0,$this->hash_length);
+			$id = t3lib_div::getRandomHexString($this->hash_length);
 				// New session
 			$this->newSessionID = TRUE;
 		}
Index: typo3/sysext/install/mod/class.tx_install_eid.php
===================================================================
--- typo3/sysext/install/mod/class.tx_install_eid.php	(revision 8265)
+++ typo3/sysext/install/mod/class.tx_install_eid.php	(working copy)
@@ -71,7 +71,7 @@
 
 
 	/**
-	 * Main function which creates the ecryption key for the install tools AJAX call 
+	 * Main function which creates the ecryption key for the install tools AJAX call
 	 * It stores the key in $this->content
 	 *
 	 * @return	void
@@ -104,9 +104,8 @@
 		if (!headers_sent()) {
 			header("Content-type: text/plain");
 		}
-		
-		$bytes = t3lib_div::generateRandomBytes($keyLength);
-		return substr(bin2hex($bytes), -96);
+
+		return t3lib_div::getRandomHexString($keyLength);
 	}
 
 	/**