E-commerce and its derived applications: smart card certificate system and recoverable and untraceable electronic cash.

by Liu Kai Sui.Thesis (M.Phil.)--Chinese University of Hong Kong, 2001.Includes bibliographical references (leaves 67-71).Abstracts in English and Chinese.Chapter 1. --- Introduction --- p.1Chapter 1.1 --- Security and E-commerce --- p.3Chapter 1.2 --- E-commerce: More than Commercial Activities --- p.4Chapter 1.3 --- What This Thesis Contains --- p.5Chapter 2. --- Introduction to Cryptographic Theories --- p.7Chapter 2.1 --- Six Cryptographic Primitives --- p.7Chapter 2.1.1 --- Symmetric Encryption --- p.8Chapter 2.1.2 --- Asymmetric Encryption --- p.8Chapter 2.1.3 --- Digital Signature --- p.9Chapter 2.1.4 --- Message Digest --- p.9Chapter 2.1.5 --- Digital Certificate and Certificate Authority --- p.10Chapter 2.1.6 --- Zero-Knowledge Proof --- p.11Chapter 2.2 --- The RSA Public Key Cryptosystem --- p.12Chapter 2.3 --- The ElGamal Public Key Encryption Scheme --- p.13Chapter 2.4 --- Elliptic Curve Cryptosystem --- p.14Chapter 2.4.1 --- The Algorithm of Elliptic Curve Cryptosystem --- p.15Chapter 2.5 --- Different kinds of Digital Signature --- p.16Chapter 2.5.1 --- RSA Digital Signature --- p.16Chapter 2.5.2 --- Elliptic Curve Nyberg-Rueppel Digital Signature --- p.16Chapter 2.6 --- Blind Signature --- p.17Chapter 2.7 --- Cut-and-choose protocol --- p.18Chapter 2.8 --- Diffie-Hellman Key Exchange --- p.19Chapter 3. --- "Introduction to E-commerce, M-commerce and Rich Media M-commerce" --- p.20Chapter 3.1 --- 1st Generation of E-commerce --- p.21Chapter 3.2 --- 2nd Generation of E-commerce ´ؤ M-commerce --- p.21Chapter 3.3 --- 3rd Generation of E-commerce - Rich Media M-commerce --- p.23Chapter 3.4 --- Payment Systems used in E-commerce --- p.23Chapter 3.4.1 --- Electronic Cash --- p.23Chapter 3.4.2 --- Credit Card --- p.24Chapter 3.4.3 --- Combined Payment System --- p.24Chapter 4. --- Introduction to Smart Card --- p.25Chapter 4.1 --- What is Smart Card? --- p.25Chapter 4.2 --- Advantages of Smart Cards --- p.26Chapter 4.2.1 --- Protable Device --- p.26Chapter 4.2.2 --- Multi-applications --- p.26Chapter 4.2.3 --- Computation Power --- p.26Chapter 4.2.4 --- Security Features --- p.27Chapter 4.3 --- What can Smart Cards Do? --- p.27Chapter 4.4 --- Java Card --- p.28Chapter 5. --- A New Smart Card Certificate System --- p.30Chapter 5.1 --- Introduction --- p.31Chapter 5.2 --- Comparison between RSA and ECC --- p.32Chapter 5.3 --- System Architecture --- p.33Chapter 5.3.1 --- System Setup --- p.33Chapter 5.3.2 --- Apply for a certificate --- p.34Chapter 5.3.3 --- Verification of Alice --- p.35Chapter 5.3.4 --- "Other Certificates ´ؤ the ""Hyper-Link"" concept" --- p.36Chapter 5.3.4.1 --- "Generation of the ""hyper-link""" --- p.37Chapter 5.3.4.2 --- "Verification ofAlice using the ""hyper-link""" --- p.37Chapter 5.3.5 --- Multiple Applications --- p.38Chapter 5.4 --- Security Analysis --- p.39Chapter 5.4.1 --- No Crypto-processor is needed --- p.40Chapter 5.4.2 --- PIN Protect --- p.40Chapter 5.4.3 --- Digital Certificate Protect --- p.40Chapter 5.4.4 --- Private Key is never left the smart card --- p.41Chapter 5.5 --- Extensions --- p.41Chapter 5.5.1 --- Biometrics Security --- p.41Chapter 5.5.2 --- E-Voting --- p.41Chapter 5.6 --- Conclusion --- p.42Chapter 6. --- Introduction to Electronic Cash --- p.44Chapter 6.1 --- Introduction --- p.44Chapter 6.2 --- The Basic Requirements --- p.45Chapter 6.3 --- Advantages of Electronic Cash over other kinds of payment systems --- p.46Chapter 6.3.1 --- Privacy --- p.46Chapter 6.3.2 --- Off-line payment --- p.47Chapter 6.3.3 --- Suitable for Small Amount Payment --- p.47Chapter 6.4 --- Basic Model of Electronic Cash --- p.48Chapter 6.5 --- Examples of Electronic Cash --- p.49Chapter 6.5.1 --- eCash --- p.49Chapter 6.5.2 --- Mondex --- p.49Chapter 6.5.3 --- Octopus Card --- p.50Chapter 7. --- A New Recoverable and Untraceable Electronic Cash --- p.51Chapter 7.1 --- Introduction --- p.52Chapter 7.2 --- The Basic Idea --- p.52Chapter 7.3 --- S. Brand's Single Term E-cash Protocol --- p.54Chapter 7.3.1 --- The Setup of the System --- p.54Chapter 7.3.2 --- The Withdrawal Protocol --- p.54Chapter 7.3.3 --- The Payment Protocol --- p.55Chapter 7.3.4 --- The Deposit Protocol --- p.56Chapter 7.4 --- The Proposed Protocol --- p.57Chapter 7.4.1 --- The Withdrawal Protocol --- p.57Chapter 7.4.2 --- The Payment Protocol --- p.58Chapter 7.4.3 --- The Deposit Protocol --- p.58Chapter 7.4.4. --- The Recovery Protocol --- p.59Chapter 7.5 --- Security Analysis --- p.60Chapter 7.5.1 --- Conditional Untraceability --- p.60Chapter 7.5.2 --- Cheating --- p.60Chapter 7.6 --- Extension --- p.60Chapter 7.7 --- Conclusion --- p.62Chapter 8. --- Conclusion --- p.63Appendix: Paper derived from this thesis --- p.66Bibliography --- p.6