Mobile Information Systems

Mobile Information Systems / 2012 / Article
Special Issue

Advances in Network-Based Information Systems

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Open Access

Volume 8 |Article ID 736764 | 20 pages | https://doi.org/10.3233/MIS-2012-0142

Flexible Multi-Authority Attribute-Based Signature Schemes for Expressive Policy

Received18 Jun 2012
Accepted18 Jun 2012

Abstract

Attribute-based signature (ABS) is a new cryptographic primitive, in which a signer can sign a message with his attributes, and the verifier can only known whether the signer owns attributes satisfying his policy. Moreover, the signature cannot be forged by any user not having attributes satisfying the policy. ABS has many applications, such as anonymous authentication, and attribute-based messaging systems. But many applications may require a user obtaining attributes from different authorities, which calls for multi-authority ABS schemes.

Copyright © 2012 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


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