Welcome to the resource topic for 2004/206
Title:
ID-Based Proxy Signature Using Bilinear Pairings
Authors: Jing Xu, Zhenfeng Zhang, Dengguo Feng
Abstract:Identity-based (ID-based) public key cryptosystem can be a good
alternative for certificate-based public key setting, especially
when efficient key management and moderate security are required.
A proxy signature scheme permits an entity to delegate its signing
rights to another entity. But to date, no ID-based proxy signature
schemes with provable security have been proposed. In this paper,
we formalize a notion of security for ID-based proxy signature
schemes and propose a scheme based on the bilinear pairings. We
show that the security of our scheme is tightly related to the
computational Diffie-Hellman assumption in the random oracle
model.
ePrint: https://eprint.iacr.org/2004/206
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