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Paper 2006/421
Universally Composable Three-Party Key Distribution
Jin Zhou, TingMao Chang, YaJuan Zhang, YueFei Zhu
Abstract
In this paper, we formulate and realize a definition of security for three-party key distribution within the universally composable (UC) framework. That is, an appropriate ideal functionality that captures the basic security requirements of three-party key distribution is formulated. We show that UC definition of security for three-party key distribution protocol is strictly more stringent than a previous definition of security which is termed AKE-security. Finally, we present a real-life protocol that securely realizes the formulated ideal functionality with respect to non-adaptive adversaries.
Metadata
- Available format(s)
- Category
- Secret-key cryptography
- Publication info
- Published elsewhere. Unknown where it was published
- Keywords
- Key distributionUniversally composableAKE-security
- Contact author(s)
- ctm_jinglei @ yahoo com cn
- History
- 2006-11-19: received
- Short URL
- https://ia.cr/2006/421
- License
-
CC BY