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Erschienen in:
2007 | OriginalPaper | Buchkapitel
Certified E-Mail Protocol in the ID-Based Setting
verfasst von : Chunxiang Gu, Yuefei Zhu, Yonghui Zheng
Erschienen in: Applied Cryptography and Network Security
Verlag: Springer Berlin Heidelberg
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ID-based public key cryptosystem can be a good alternative for certificate-based public key setting, especially when efficient key management and moderate security are required. Certified e-mail protocols provide for fair exchange in which the intended recipient gets the e-mail content if and only if the mail originator receives an irrefutable receipt for the e-mail. In this paper we present an optimistic certified e-mail protocol in an ID-based setting. The protocol makes use of verifiable encryption of ID-based digital signatures as building blocks. We offer arguments for the fairness, efficiency, and provable security of our new protocol.