A new proxy signature scheme with revocation

In current proxy signature schemes, an original signer delegates her/his signing capability to a proxy signer, and then the proxy signer can sign messages on behalf of the original signer. Although these schemes have succeeded in proxy delegations, they are in general defective in proxy revocations....

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Bibliographic Details
Published in:	Applied mathematics and computation Vol. 161; no. 3; pp. 799 - 806
Main Authors:	Lu, Eric Jui-Lin, Hwang, Min-Shiang, Huang, Cheng-Jian
Format:	Journal Article
Language:	English
Published:	New York, NY Elsevier Inc 2005 Elsevier
Subjects:	Applied sciences Cryptography Delegation by warrant Exact sciences and technology Information, signal and communications theory Proxy signature Revocation Signal and communications theory Telecommunications and information theory Time-stamp Proxy signature Delegation by warrant Time-stamp Revocation Applied mathematics Warranty
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Summary:	In current proxy signature schemes, an original signer delegates her/his signing capability to a proxy signer, and then the proxy signer can sign messages on behalf of the original signer. Although these schemes have succeeded in proxy delegations, they are in general defective in proxy revocations. In this paper, we propose a proxy signature scheme which allows the original signer to revoke delegations whenever necessary.
ISSN:	0096-3003 1873-5649
DOI:	10.1016/j.amc.2003.12.039