Verifier-local revocation group signature schemes with backward unlinkability from bilinear maps

Toru Nakanishi; Nobuo Funabiki

doi:10.1093/ietfec/e90-a.1.65

Verifier-local revocation group signature schemes with backward unlinkability from bilinear maps

Toru Nakanishi, Nobuo Funabiki

Research output: Contribution to journal › Article › peer-review

7 Citations (Scopus)

Abstract

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.

Original language	English
Pages (from-to)	65-74
Number of pages	10
Journal	IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences
Volume	E90-A
Issue number	1
DOIs	https://doi.org/10.1093/ietfec/e90-a.1.65
Publication status	Published - Jan 2007

Keywords

Bilinear maps
Group signature
Revocation
Unlinkability

ASJC Scopus subject areas

Signal Processing
Computer Graphics and Computer-Aided Design
Electrical and Electronic Engineering
Applied Mathematics

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10.1093/ietfec/e90-a.1.65

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KW - Unlinkability

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Verifier-local revocation group signature schemes with backward unlinkability from bilinear maps

Abstract

Keywords

ASJC Scopus subject areas

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