ID-Based Directed Multi-Proxy Signature Scheme from Bilinear Pairings

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Provided by: International Journal of Computer Science and Security (IJCSS)
Topic: Security
Format: PDF
In a multi-proxy signature scheme, an original signer delegates the user signing power to a group of proxy signers. Then the group of proxy signers cooperatively generates a multi-proxy signature on behalf of the original signer; and any one can verify the validity of the multi-proxy signature. But, when the signed message is sensitive to the signature receiver, it is necessary to combine the concepts of multi-proxy signatures with directed signatures. In this paper, the authors propose an identity based directed multi-proxy signature scheme using bilinear pairings.
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