Constitutes the refereed post-conference proceedings of the 4th International Conference on Information Security and Cryptology, Inscrypt 2008, held in Beijing, China, in December 2008. This title presents 28 revised full papers together with 3 invited talks that were reviewed and selected from 183 submissions.

Invited Talks.- The State of Hash Functions and the NIST SHA-3 Competition.- Key Evolution Systems in Untrusted Update Environments.- Secure and Privacy-Preserving Information Brokering.- Digital Signature and Signcryption Schemes.- Provably Secure Convertible Nominative Signature Scheme.- Cryptanalysis of Two Ring Signcryption Schemes.- Efficient Signcryption Key Encapsulation without Random Oracles.- Privacy and Anonymity.- Strong Anonymous Signatures.- Publicly Verifiable Privacy-Preserving Group Decryption.- Privacy for Private Key in Signatures.- Message Authentication Code and Hash Function.- Security of Truncated MACs.- Security Analysis of Multivariate Polynomials for Hashing.- Secure Protocols.- SPVT-II: An Efficient Security Protocol Verifier Based on Logic Programming.- Batch ZK Proof and Verification of OR Logic.- Symmetric Cryptography.- Constructing Variable-Length PRPs and SPRPs from Fixed-Length PRPs.- Impossible Differential Analysis of Reduced Round CLEFIA.- Reducible Polynomial over Constructed by Trinomial ??LFSR.- Certificateless Cryptography.- Chosen Ciphertext Secure Certificateless Threshold Encryption in the Standard Model.- Further Observations on Certificateless Public Key Encryption.- Hardware Implementation and Side Channel Attack.- Efficient Hardware Architecture of SHA-256 Algorithm for Trusted Mobile Computing.- New Elliptic Curve Multi-scalar Multiplication Algorithm for a Pair of Integers to Resist SPA.- Wireless Network Security.- A Novel Marking Probability Distribution Using Probability Propagation in Hierarchical WSN.- Key Predistribution Schemes Using Codes in Wireless Sensor Networks.- Efficient Multi-PKG ID-Based Signcryption for Ad Hoc Networks.- Public Key and Identity Based Cryptography.- On the ComputationalEfficiency of XTR+.- A Variant of Boneh-Gentry-Hamburg’s Pairing-Free Identity Based Encryption Scheme.- Inter-domain Identity-Based Proxy Re-encryption.- Access Control and Network Security.- Hardening Botnet by a Rational Botmaster.- Separation of Duty in Trust-Based Collaboration.- Trusted Computing and Applications.- An Integrity Assurance Mechanism for Run-Time Programs.- A Security and Performance Evaluation of Hash-Based RFID Protocols.- Correction, Optimisation and Secure and Efficient Application of PBD Shuffling.

This book constitutes the thoroughly refereed post-conference proceedings of the 4th International Conference on Information Security and Cryptology, Inscrypt 2008, held in Beijing, China, in December 2008. The 28 revised full papers presented together with 3 invited talks were carefully reviewed and selected from 183 submissions. The papers are organized in topical sections on digital signature and signcryption schemes, privacy and anonymity, message authentication code and hash function, secure protocols, symmetric cryptography, certificateless cryptography, hardware implementation and side channel attack, wireless network security, public key and identity based cryptography, access control and network security, as well as trusted computing and applications.