Information Security Applications (vol. # 3786) : 6th International Workshop WISA 2005 Jeju Island Korea August 22 24 2005 Revised Selected Papers Security Analysis and Attacks Security Weakness in Ren et al.’s Group Key Agreement Scheme Built on Secure Two Party Protocols Cryptanalysis of Some Group Oriented Proxy Signature Schemes Application of LFSRs in Time Memory Trade Off Cryptanalysis System Security An Alert Data Mining Framework for Network Based Intrusion Detection System Key Factors Influencing Worm Infection in Enterprise Networks Evaluation of the Unified Modeling Language for Security Requirements Analysis Network Security A Simple and Efficient Conference Scheme for Mobile Communications A Hash Chain Based Authentication Scheme for Fast Handover in Wireless Network Efficient Multicast Stream Authentication for the Fully Adversarial Network Model Elastic Security QoS Provisioning for Telematics Applications DRM Software Security An Improved Algorithm to Watermark Numeric Relational Data Video Fingerprinting System Using Wavelet and Error Correcting Code Secure Asymmetric Watermark Detection Without Secret of Modified Pixels Kimchi: A Binary Rewriting Defense Against Format String Attacks Software Protection Through Dynamic Code Mutation Efficient HW Implementation Efficient Hardware Implementation of Elliptic Curve Cryptography over GF(p m ) Developing and Implementing IHPM on IXP 425 Network Processor Platforms Analysis on the Clockwise Transposition Routing for Dedicated Factoring Devices mCrypton – A Lightweight Block Cipher for Security of Low Cost RFID Tags and Sensors Side Channel Attacks Practical Modifications of Leadbitter et al.’s Repeated Bits Side Channel Analysis on (EC)DSA A DPA Countermeasure by Randomized Frobenius Decomposition DPA Attack on the Improved Ha Moon Algorithm An Efficient Masking Scheme for AES Software Implementations Privacy Anonymity Secure Multi attribute Procurement Auction Oblivious Conjunctive Keyword Search Efficient Non optimistic Secure Circuit Evaluation Based on the ElGamal Encryption Efficient Implementation New Concept of Authority Range for Flexible Management of Role Hierarchy Role Based Access Control Model for Ubiquitous Computing Environment Designing Security Auditing Protocol with Web Browsers.