Design of key recovery system using multiple agent technology for electronic commerce

When a receiver of a cipher text message cannot decrypt the message due to the fact that he has lost his private-key, the private-key of the receiver and session-key of the message need to be recovered. In this paper, the authors design a new n-way key recovery system (n-KRS) that is characterized b...

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Bibliographic Details
Main Authors: Shin-Young Lim, Ho-Sang Hani, Myoung-Jun Kim, Tai-Yun Kim
Format: Conference Proceeding
Language:English
Subjects:
Cryptographic protocols
Cryptography
Electronic commerce
Encapsulation
Information security
Information systems
Joining processes
Management information systems
Software engineering
Telecommunication computing
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Summary:When a receiver of a cipher text message cannot decrypt the message due to the fact that he has lost his private-key, the private-key of the receiver and session-key of the message need to be recovered. In this paper, the authors design a new n-way key recovery system (n-KRS) that is characterized by a key encapsulation approach, n-way key recovery, secret designation of key recovery agents, fork and join of session-key with random keys, recovery request by a new key pair, certificate attaching scheme, component based software engineering and conformance to international standards. n-KRS is specified and analyzed by an extended cryptographic timed Petri net (ECTPN) model that is a new formal and graphical specification model for cryptographic protocols. Recoverability, performance characteristics of n-KRS are evaluated by means of a reachability graph of ECTPN. A prototype of n-KRS is developed and evaluated by means of a CC 2.0 based information security system evaluation scheme.
DOI:10.1109/ISIE.2001.931678