Proxy Signature Scheme with Effective Revocation Using Bilinear Pairings

Details Proxy Signature Scheme with Effective Revocation Using Bilinear Pairings Proxy Signature Scheme with Effective Revocation Using Bilinear Pairings

2007-12-19

arxiv.org/abs/0712.3084v1

International Journal of Network Security, Vol. 4, No.3, pp.312-317, 2007

Computer Science

Cryptography and Security

Scientific paper

We present a proxy signature scheme using bilinear pairings that provides effective proxy revocation. The scheme uses a binding-blinding technique to avoid secure channel requirements in the key issuance stage. With this technique, the signer receives a partial private key from a trusted authority and unblinds it to get his private key, in turn, overcomes the key escrow problem which is a constraint in most of the pairing-based proxy signature schemes. The scheme fulfills the necessary security requirements of proxy signature and resists other possible threats.

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