Verifier-Local Revocation Group Signature Schemes with Backward Unlinkability from Bilinear Maps(Signatures,<Special Section>Cryptography and Information Security)
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概要
- 論文の詳細を見る
An approach of membership revocation in group signatures is verifier-local revocation (VLR for short). In this approach, only verifiers are involved in the revocation mechanism, while signers have no involvement. Thus, since signers have no load, this approach is suitable for mobile environments. Although Boneh and Shacham recently proposed a VLR group signature scheme from bilinear maps, this scheme does not satisfy the backward unlikability. The backward unlinkability means that even after a member is revoked, signatures produced by the member before the revocation remain anonymous. In this paper, we propose VLR group signature schemes with the backward unlinkability from bilinear maps.
- 社団法人電子情報通信学会の論文
- 2007-01-01
著者
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Nakanishi Toru
Department Of Communication Network Engineering Okayama University
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Nakanishi Toru
Department Of Biochemistry Nagoya University School Of Medicine
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Funabiki Nobuo
Department Of Communication Network Engineering Okayama University
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Funabiki Nobuo
Department Of Communication Network Engineering Faculty Of Engineering Okayama University
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