This book constitutes the refereed proceedings of the 8th International Workshop on Cryptographic Hardware and Embedded Systems, CHES 2006, held in Yokohama, Japan in October 2006.

The 32 revised full papers presented together with three invited talks were carefully reviewed and selected from 112 submissions.

Inhalt

Side Channels I.- Template Attacks in Principal Subspaces.- Templates vs. Stochastic Methods.- Towards Security Limits in Side-Channel Attacks.- Low Resources.- HIGHT: A New Block Cipher Suitable for Low-Resource Device.- Invited Talk I.- Integer Factoring Utilizing PC Cluster.- Hardware Attacks and Countermeasures I.- Optically Enhanced Position-Locked Power Analysis.- Pinpointing the Side-Channel Leakage of Masked AES Hardware Implementations.- A Generalized Method of Differential Fault Attack Against AES Cryptosystem.- Special Purpose Hardware.- Breaking Ciphers with COPACOBANA -A Cost-Optimized Parallel Code Breaker.- Implementing the Elliptic Curve Method of Factoring in Reconfigurable Hardware.- Efficient Algorithms for Embedded Processors.- Implementing Cryptographic Pairings on Smartcards.- SPA-Resistant Scalar Multiplication on Hyperelliptic Curve Cryptosystems Combining Divisor Decomposition Technique and Joint Regular Form.- Fast Generation of Prime Numbers on Portable Devices: An Update.- Side Channels II.- A Proposition for Correlation Power Analysis Enhancement.- High-Resolution Side-Channel Attack Using Phase-Based Waveform Matching.- Cache-Collision Timing Attacks Against AES.- Provably Secure S-Box Implementation Based on Fourier Transform.- Invited Talk II.- The Outer Limits of RFID Security.- Hardware Attacks and Countermeasures II.- Three-Phase Dual-Rail Pre-charge Logic.- Dual-Rail Random Switching Logic: A Countermeasure to Reduce Side Channel Leakage.- Security Evaluation of DPA Countermeasures Using Dual-Rail Pre-charge Logic Style.- Efficient Hardware I.- Instruction Set Extensions for Efficient AES Implementation on 32-bit Processors.- NanoCMOS-Molecular Realization of Rijndael.- Improving SHA-2 Hardware Implementations.- Trusted Computing.- Offline Hardware/Software Authentication for Reconfigurable Platforms.- Side Channels III.- Why One Should Also Secure RSA Public Key Elements.- Power Attack on Small RSA Public Exponent.- Unified Point Addition Formulæ and Side-Channel Attacks.- Hardware Attacks and Countermeasures III.- Read-Proof Hardware from Protective Coatings.- Path Swapping Method to Improve DPA Resistance of Quasi Delay Insensitive Asynchronous Circuits.- Automated Design of Cryptographic Devices Resistant to Multiple Side-Channel Attacks.- Invited Talk III.- Challenges for Trusted Computing.- Efficient Hardware II.- Superscalar Coprocessor for High-Speed Curve-Based Cryptography.- Hardware/Software Co-design of Elliptic Curve Cryptography on an 8051 Microcontroller.- FPGA Implementation of Point Multiplication on Koblitz Curves Using Kleinian Integers.