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Dynamic attribute-based group signature with verifier-local revocation and backward unlinkability in the standard model

Dynamic attribute-based group signature with verifier-local revocation and backward unlinkability... Attribute-based group signature (ABGS) scheme is a group signature scheme where the group members possessing certain privileges (attributes) only are eligible for signing the document. In verifier-local revocation (VLR) schemes, only verifiers are involved in the revocation of a member, while signers are not. Backward unlinkability ensures that even after a member is revoked, signatures produced by the member before the revocation remain anonymous. There is an ABGS scheme with VLR feature in the literature but it neither supports backward unlinkability nor has attribute anonymity nor it is in standard model and moreover its signature length is not constant. We propose a VLR ABGS scheme with all these features in the standard model. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png International Journal of Applied Cryptography Inderscience Publishers

Dynamic attribute-based group signature with verifier-local revocation and backward unlinkability in the standard model

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Publisher
Inderscience Publishers
Copyright
Copyright © Inderscience Enterprises Ltd. All rights reserved
ISSN
1753-0563
eISSN
1753-0571
DOI
10.1504/IJACT.2014.062736
Publisher site
See Article on Publisher Site

Abstract

Attribute-based group signature (ABGS) scheme is a group signature scheme where the group members possessing certain privileges (attributes) only are eligible for signing the document. In verifier-local revocation (VLR) schemes, only verifiers are involved in the revocation of a member, while signers are not. Backward unlinkability ensures that even after a member is revoked, signatures produced by the member before the revocation remain anonymous. There is an ABGS scheme with VLR feature in the literature but it neither supports backward unlinkability nor has attribute anonymity nor it is in standard model and moreover its signature length is not constant. We propose a VLR ABGS scheme with all these features in the standard model.

Journal

International Journal of Applied Cryptography – Inderscience Publishers

Published: Jan 1, 2014

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