Non-repudiation in Electronic Commerce
With more and more businesses shifting emphasis towards the Internet, new ways of protecting transacting parties are needed in the world of e-commerce. This unique, new resource shows you how to create, collect, validate and maintain cryptographic evidence, such as digital signatures, in order to support the settlement of possible electronic transaction disputes. It presents a systematic description of non-repudiation services, examples on the integration of these services into specific e-commerce applications, and a detailed analysis and comparison of typical non-repudiation mechanisms.
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Fundamentals of Nonrepudiation
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A's signature abort approach auditing authentication billing certification authority communications channels communications overheads computation overheads Computer Science Computer Security con-K con.K cryptographic Cryptology decryption delivery agent delivery authority digital signatures dispute resolution eK(M electronic commerce electronic transactions encrypted EOO-C EOR-C EOR.C evidence of origin evidence of receipt expiry date fair non-repudiation protocols hash chain IEEE Information Technology—Security ISO/IEC lecture notes lottery service message key message transfer mobile communications mobile user money order money-C needs non-repudiation evidence non-repudiation mechanisms non-repudiation of origin non-repudiation of receipt non-repudiation policy non-repudiation services notary notes in Computer one-way hash one-way sequential link Privacy proceedings protocol NR1 protocol run public-key certificate public-key cryptography random numbers received recipient repudiation requirements revocation revoked sending service provider service request signature key submission symmetric time-stamping authority transacting parties trusted third party TTP at step VASP verification key winning number winning ticket Zhou