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Paper 2012/289
Ring Group Signatures
Liqun Chen
Abstract
In many applications of group signatures, not only a signer's identity but also which group the signer belongs to is sensitive information regarding signer privacy. In this paper, we study these applications and combine a group signature with a ring signature to create a ring group signature, which specifies a set of possible groups without revealing which member of which group produced the signature. The main contributions of this paper are a formal definition of a ring group signature scheme and its security model, a generic construction and a concrete example of such a scheme. Both the construction and concrete scheme are provably secure if the underlying group signature and ring signature schemes are secure.
Metadata
- Available format(s)
- PDF PS
- Category
- Public-key cryptography
- Publication info
- Published elsewhere. The 11th IEEE International Conference on Trust, Security and Privacy in Computing and Communications
- Keywords
- ring signaturesgroup signaturesring group signaturesgroup-ambiguity.
- Contact author(s)
- liqun chen @ hp com
- History
- 2012-05-29: received
- Short URL
- https://ia.cr/2012/289
- License
-
CC BY