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On forging ElGamal signature and other attacks.

by Chan Hing Che. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2000. / Includes bibliographical references (leaves 59-[61]). / Abstracts in English and Chinese. / Chapter 1 --- Introduction --- p.1 / Chapter 2 --- Background --- p.8 / Chapter 2.1 --- Abstract Algebra --- p.8 / Chapter 2.1.1 --- Group --- p.9 / Chapter 2.1.2 --- Ring --- p.10 / Chapter 2.1.3 --- Field --- p.11 / Chapter 2.1.4 --- Useful Theorems in Number Theory --- p.12 / Chapter 2.2 --- Discrete Logarithm --- p.13 / Chapter 2.3 --- Solving Discrete Logarithm --- p.14 / Chapter 2.3.1 --- Exhaustive Search --- p.14 / Chapter 2.3.2 --- Baby Step Giant Step --- p.15 / Chapter 2.3.3 --- Pollard's rho --- p.16 / Chapter 2.3.4 --- Pohlig-Hellman --- p.18 / Chapter 2.3.5 --- Index Calculus --- p.23 / Chapter 3 --- Forging ElGamal Signature --- p.26 / Chapter 3.1 --- ElGamal Signature Scheme --- p.26 / Chapter 3.2 --- ElGamal signature without hash function --- p.29 / Chapter 3.3 --- Security of ElGamal signature scheme --- p.32 / Chapter 3.4 --- Bleichenbacher's Attack --- p.34 / Chapter 3.4.1 --- Constructing trapdoor --- p.36 / Chapter 3.5 --- Extension to Bleichenbacher's attack --- p.37 / Chapter 3.5.1 --- Attack on variation 3 --- p.38 / Chapter 3.5.2 --- Attack on variation 5 --- p.39 / Chapter 3.5.3 --- Attack on variation 6 --- p.39 / Chapter 3.6 --- Digital Signature Standard(DSS) --- p.40 / Chapter 4 --- Quadratic Field Sieve --- p.47 / Chapter 4.1 --- Quadratic Field --- p.47 / Chapter 4.1.1 --- Integers of Quadratic Field --- p.48 / Chapter 4.1.2 --- Primes in Quadratic Field --- p.49 / Chapter 4.2 --- Number Field Sieve --- p.50 / Chapter 4.3 --- Solving Sparse Linear Equations Over Finite Fields --- p.53 / Chapter 4.3.1 --- Lanczos and conjugate gradient methods --- p.53 / Chapter 4.3.2 --- Structured Gaussian Elimination --- p.54 / Chapter 4.3.3 --- Wiedemann Algorithm --- p.55 / Chapter 5 --- Conclusion --- p.57 / Bibliography --- p.59

Identiferoai:union.ndltd.org:cuhk.edu.hk/oai:cuhk-dr:cuhk_323057
Date January 2000
ContributorsChan, Hing Che., Chinese University of Hong Kong Graduate School. Division of Information Engineering.
Source SetsThe Chinese University of Hong Kong
LanguageEnglish, Chinese
Detected LanguageEnglish
TypeText, bibliography
Formatprint, viii, 59, [2] leaves : ill. ; 30 cm.
RightsUse of this resource is governed by the terms and conditions of the Creative Commons “Attribution-NonCommercial-NoDerivatives 4.0 International” License (http://creativecommons.org/licenses/by-nc-nd/4.0/)

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