Coding and Cryptology, Second International Workshop, IWCC 2009, Zhangjiajie, China, June 1-5, 2009. Proceedings

An Infinite Class of Balanced Vectorial Boolean Functions with Optimum Algebraic Immunity and Good Nonlinearity.- Separation and Witnesses.- Binary Covering Arrays and Existentially Closed Graphs.- A Class of Three-Weight and Four-Weight Codes.- Equal-Weight Fingerprinting Codes.- Problems on Two-Dimensional Synchronization Patterns.- A New Client-to-Client Password-Authenticated Key Agreement Protocol.- Elliptic Twin Prime Conjecture.- Hunting for Curves with Many Points.- List Decoding of Binary Codes-A Brief Survey of Some Recent Results.- Recent Developments in Low-Density Parity-Check Codes.- On the Applicability of Combinatorial Designs to Key Predistribution for Wireless Sensor Networks.- On Weierstrass Semigroups of Some Triples on Norm-Trace Curves.- ERINDALE: A Polynomial Based Hashing Algorithm.- A Survey of Algebraic Unitary Codes.- New Family of Non-Cartesian Perfect Authentication Codes.- On the Impossibility of Strong Encryption Over .- Minimum Distance between Bent and Resilient Boolean Functions.- Unconditionally Secure Approximate Message Authentication.- Multiplexing Realizations of the Decimation-Hadamard Transform of Two-Level Autocorrelation Sequences.- On Cayley Graphs, Surface Codes, and the Limits of Homological Coding for Quantum Error Correction.