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Please use this identifier to cite or link to this item: http://hdl.handle.net/123456789/264

Title: Multiparty Nonrepudiation
Authors: SUMI, A SAMAD
Keywords: nonrepudiation protocol
multiparty nonrepudiation
Trusted Third Party (TTP)
certified electronic mail
multiparty contract signing
Issue Date: 14-Jun-2010
Abstract: Nonrepudiation is one of the fundamental security issues existing in paper-based and electronic environments. The transacting parties want to seek a fair settlement of disputes, which brings the need nonrepudiation services in their transactions. Nonrepudiation services help the transacting parties to settle possible disputes over whether a particular event or action has been taken place in a transaction. This seminar focuses on multiparty scenarios (applications like e-voting,e-bidding, etc., usually involve several parties) and provides a comprehensive overview. It discusses fundamental issues on nonrepudiation, including the types of nonrepudiation service in the direct and indirect communication model, cryptographic evidence, the roles of Trusted Third Party (TTP), non repudiation phases and requirements. It also describes the general 1-N and N-N multiparty nonrepudiation problems and their solutions. Finally, it discusses advanced solutions for two typical multiparty nonrepudiation applications, namely, multiparty certified email and multiparty contract signing.
URI: http://hdl.handle.net/123456789/264
Appears in Collections:MTech 2009-2011 Batch

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