Table of contents 1. A Crawler Guard for Quickly Blocking Unauthorized Web Robot 2. Privacy Preserving for Location-Based Services Using Location Transformation 3. Design of Lightweight Web Page Tamper-Resistant Mechanism for Linux 4. Multiple-Bank E-Cash without Random Oracles 5. A Fast Chaos-Based Symmetric Image Cipher with a Novel Bit-Level Permutation Strategy 6. Preserving User Priv…