-/* Encryption feature. disabled by default.
- * This feature needs to have mcrypt php module installed.
- * Note: activating encryption will make file-deduplication to fail.
- */
-$cfg['enable_crypt'] = false;
+/* Encryption feature. enabled by default (if possible).
+ * By disabling it, file-level deduplication will be effective. */
+$cfg['enable_crypt'] = true;
+/* Split lenght of link refenrece. */
+$cfg['link_name_lenght'] = 5;