Beschreibung

This book constitutes the thoroughly refereed post-proceedings of the Second International Workshop on Cryptographic Hardware and Embedded Systems, CHES 2000, held in Worcester, MA, USA in August 2000. The 25 revised full papers presented together with two invited contributions were carefully reviewed and selected from 51 submissions. The papers are organized in topical sections on implementation of elliptic curve cryptosystems, power and timing analysis attacks, hardware implementation of block ciphers, hardware architectures, power analysis attacks, arithmetic architectures, physical security and cryptanalysis, and new schemes and algorithms.

Invited Talk.- Software Implementation of Elliptic Curve Cryptography over Binary Fields.- Implementation of Elliptic Curve Cryptosystems.- Implementation of Elliptic Curve Cryptographic Coprocessor over GF(2m) on an FPGA.- A High-Performance Reconfigurable Elliptic Curve Processor for GF(2m).- Fast Implementation of Elliptic Curve Defined over GF(pm) on CalmRISC with MAC2424 Coprocessor.- Power and Timing Analysis Attacks.- Protecting Smart Cards from Passive Power Analysis with Detached Power Supplies.- Smartly Analyzing the Simplicity and the Power of Simple Power Analysis on Smartcards.- Power Analysis Attacks and Algorithmic Approaches to their Countermeasures for Koblitz Curve Cryptosystems.- A Timing Attack against RSA with the Chinese Remainder Theorem.- Hardware Implementation of Block Ciphers.- A Comparative Study of Performance of AES Final Candidates Using FPGAs.- A Dynamic FPGA Implementation of the Serpent Block Cipher.- A 12 Gbps DES Encryptor/Decryptor Core in an FPGA.- A 155 Mbps Triple-DES Network Encryptor.- Hardware Architectures.- An Energy Efficient Reconfigurable Public-Key Cryptography Processor Architecture.- High-Speed RSA Hardware Based on Barret's Modular Reduction Method.- Data Integrity in Hardware for Modular Arithmetic.- A Design for Modular Exponentiation Coprocessor in Mobile Telecommunication Terminals.- Invited Talk.- How to Explain Side-Channel Leakage to Your Kids.- Power Analysis Attacks.- On Boolean and Arithmetic Masking against Differential Power Analysis.- Using Second-Order Power Analysis to Attack DPA Resistant Software.- Differential Power Analysis in the Presence of Hardware Countermeasures.- Arithmetic Architectures.- Montgomery Multiplier and Squarer in GF(2m).- A Scalable and Unified Multiplier Architecture for Finite Fields GF(p) and GF(2m).- Montgomery Exponentiation with no Final Subtractions: Improved Results.- Physical Security and Cryptanalysis.- Physical Security Devices for Computer Subsystems: A Survey of Attacks and Defenses.- Software-Hardware Trade-Offs: Application to A5/1 Cryptanalysis.- New Schemes and Algorithms.- MiniPASS: Authentication and Digital Signatures in a Constrained Environment.- Efficient Generation of Prime Numbers.

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