Invited Talk.- The Security Challenges of Ubiquitous Computing.- Side Channel Attack Methodology.- Multi-channel Attacks.- Hidden Markov Model Cryptanalysis.- Power-Analysis Attacks on an FPGA - First Experimental Results.- Hardware Factorization.- Hardware to Solve Sparse Systems of Linear Equations over GF(2).- Symmetric Ciphers: Side Channel Attacks and Countermeasures.- Cryptanalysis of DES Implemented on Computers with Cache.- A Differential Fault Attack Technique against SPN Structures, with Application to the AES and Khazad.- A New Algorithm for Switching from Arithmetic to Boolean Masking.- DeKaRT: A New Paradigm for Key-Dependent Reversible Circuits.- Secure Hardware Logic.- Parity-Based Concurrent Error Detection of Substitution-Permutation Network Block Ciphers.- Securing Encryption Algorithms against DPA at the Logic Level: Next Generation Smart Card Technology.- Security Evaluation of Asynchronous Circuits.- Random Number Generators.- Design and Implementation of a True Random Number Generator Based on Digital Circuit Artifacts.- True Random Number Generators Secure in a Changing Environment.- How to Predict the Output of a Hardware Random Number Generator.- Efficient Multiplication.- On Low Complexity Bit Parallel Polynomial Basis Multipliers.- Efficient Modular Reduction Algorithm in [x] and Its Application to "Left to Right" Modular Multiplication in [x].- Faster Double-Size Modular Multiplication from Euclidean Multipliers.- More on Efficient Arithmetic.- Efficient Exponentiation for a Class of Finite Fields GF(2 n ) Determined by Gauss Periods.- GCD-Free Algorithms for Computing Modular Inverses.- Attacks on Asymmetric Cryptosystems.- Attacking Unbalanced RSA-CRT Using SPA.- The Doubling Attack - Why Upwards Is Better than Downwards.-An Analysis of Goubin's Refined Power Analysis Attack.- A New Type of Timing Attack: Application to GPS.- Implementation of Symmetric Ciphers.- Unified Hardware Architecture for 128-Bit Block Ciphers AES and Camellia.- Very Compact FPGA Implementation of the AES Algorithm.- Efficient Implementation of Rijndael Encryption in Reconfigurable Hardware: Improvements and Design Tradeoffs.- Hyperelliptic Curve Cryptography.- Hyperelliptic Curve Cryptosystems: Closing the Performance Gap to Elliptic Curves.- Countermeasures against Differential Power Analysis for Hyperelliptic Curve Cryptosystems.- Countermeasures to Side Channel Leakage.- A Practical Countermeasure against Address-Bit Differential Power Analysis.- A More Flexible Countermeasure against Side Channel Attacks Using Window Method.- Security of Standards.- On the Security of PKCS #11.- Attacking RSA-Based Sessions in SSL/TLS.