A certified E-mail system with receiver’s selective usage of delivery authority

Kenji Imamoto, Kouichi Sakurai

Research output: Chapter in Book/Report/Conference proceedingConference contribution

22 Citations (Scopus)

Abstract

Certified E-mail can be divided into an on-line protocol an optimistic protocol by the usage of a third party. We call this party “Delivery Authority”. An on-line protocol can realize send-and-forget. There is a drawback, however, that the cost to Delivery Authority becomes large, because users surely access Delivery Authority in the middle of a protocol. On the other hand, when an optimistic protocol is used, there is little cost to Delivery Authority because users access Delivery Authority only in case a problem occurs, however, send-and-forget is unrealizable. Each protocol may be inconvenient depending on the situation. In the conventional system, however, a sender selects which protocol to use depending on a sender’s convenience. In this paper, we propose the new system having both our proposed on-line protocol and optimistic protocol a receiver can choose freely. By this mechanism, a receiver can choose the usage of Delivery Authority freely according to that time after taking the necessity and the situation of Delivery Authority and the sender into consideration.

Original languageEnglish
Title of host publicationProgress in Cryptology - INDOCRYPT 2002 - 3rd International Conference on Cryptology in India, Proceedings
EditorsAlfred Menezes, Palash Sarkar
PublisherSpringer Verlag
Pages326-338
Number of pages13
ISBN (Print)9783540362319
DOIs
Publication statusPublished - 2002
Event3rd International Conference on Cryptology in India, INDOCRYPT 2002 - Hyderabad, India
Duration: Dec 16 2002Dec 18 2002

Publication series

NameLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volume2551
ISSN (Print)0302-9743
ISSN (Electronic)1611-3349

Other

Other3rd International Conference on Cryptology in India, INDOCRYPT 2002
CountryIndia
CityHyderabad
Period12/16/0212/18/02

All Science Journal Classification (ASJC) codes

  • Theoretical Computer Science
  • Computer Science(all)

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