Title page -- Preface -- Program Committee -- Contents -- PKI Operation & Case Study -- PKI Challenges: An Industry Analysis -- Directory Based Registration in Public Key Infrastructures -- On Automatically Detecting Malicious Imposter Emails -- Non-Repudiation -- Generic Fair Non-Repudiation Protocols with Transparent Off-Line TTP -- Efficient Authorization in Delegation Chains with Strong Non-Repudiation -- No Author-Based Selective Receipt in Certified Email with Tight Trust Requirements -- Authorization & Access Control -- A Generic Protocol for Controlling Access to Mobile Services -- Use of XACML Policies for a Network Access Control Service -- A Delegation Logic Based Authorization Mechanism for Virtual Organizations -- Authentication & Time-Stamping -- An Efficient and Flexible Scheme to Support Biometric-Based and Role-Based Access Control -- A Study on a Framework of Online Biometric Authentication with Verification of Personal Repository -- On Universal Composable Security of Time-Stamping Protocols -- Certificate Validation & Revocation -- Augmented CRL Scheme -- Speeding up X.509 Certificate Path Validation -- A Lightweight Delegated Privileges Revocation Scheme Based on Coding -- Cryptographic Applications -- Hiding Data Sources in P2P Networks -- Efficient Broadcast from Trapdoor Functions -- A Generic Scheme for Zero-Knowledge Sets -- Author Index.