中文摘要：

ZHU Jian-qi （1976-）, male, Ph.D. candidate, lecturer; main research fields： software protection, obfuscation and software watermarking. LIU Yan-heng （1958-）, male, Ph.D., professor; main research fields： network communication and protocol design, information security, mobile-lP based QoS mechanism, policy-based network management and network intrusion detection technology. TIAN Qi （1983-）, male, graduate student; main research field： network security. LI Feng （1982-）, male, graduate student; main research field software security.