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- Title
A Revised Transformation Protocol for Unconditionally Secure Secret Key Exchange.
- Authors
Koizumi, Koichi; Mizuki, Takaaki; Nishizeki, Takao
- Abstract
The transformation protocol can allow two players to share an unconditionally secure secret key using a random deal of cards. A sufficient condition on the number of cards for the transformation protocol to succeed was known. However, it has been an open problem to obtain a necessary and sufficient condition. This paper improves the transformation protocol and gives a necessary and sufficient condition for the resulting protocol to succeed.
- Subjects
CARD games; COMPUTER network protocols; CARD players; INFORMATION science; PROBABILITY theory; SPLITTING (Psychology); SET theory
- Publication
Theory of Computing Systems, 2008, Vol 42, Issue 2, p187
- ISSN
1432-4350
- Publication type
Article
- DOI
10.1007/s00224-007-9052-3