Certificate-free Attribute Authentication
Khader, D., Chen, L. Q. and Davenport, J. H., 2009. Certificate-free Attribute Authentication. In: Parker, M. G., ed. Cryptography and Coding: 12th IMA International Conference, Cryptography and Coding 2009, Cirencester, UK, December 15-17, 2009. Proceedings. Berlin: Springer, pp. 301-325. (Lecture Notes in Computer Science; 5921)
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In this paper we propose the concept of Certificate-free Attribute Authentication (C-AA), which holds a few interesting features, such as a user can demonstrate (1) he owns sufficient attributes to pass an attribute verification without showing his full attribute details, (2) he has been authorized by a number of authorities without revealing his identity, and (3) no certification of the user's public key is required, and his secret key as a whole is not escrowed by any authority. Although these features have individually been used in various of cryptographic primitives, in this paper we combine them together and demonstrate a Certificate-free Attribute Authentication Scheme (C-AAS) is useful in practice. We provide a formal definition of a C-AAS and four security notions: full anonymity, full traceability, non-frameability and attribute unforgeability. We also construct a concrete C-AAS and prove it is correct and secure under the definition and security notions.
|Item Type||Book Sections|
|Creators||Khader, D., Chen, L. Q. and Davenport, J. H.|
|Editors||Parker, M. G.|
|Departments||Faculty of Science > Computer Science|
|Additional Information||12th IMA Conference on Cryptography and Coding. 15-17 December 2009. Cirencester, UK.|
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