Paper 2004/206 Original: eprint.iacr.org/2004/206 ↗
ID-Based Proxy Signature Using Bilinear Pairings
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.
Metadata
- Available format(s)
PDF- Publication info
- Preprint.
- History
- 2004-08-23: last updated
- 2004-08-21: published
- Short URL
- https://ia.cr/2004/206
- License
- https://creativecommons.org/licenses/by/4.0/
BibTeX
@misc{cryptoeprint:2004/206,
author = {Jing Xu and Zhenfeng Zhang and Dengguo Feng},
title = {ID-Based Proxy Signature Using Bilinear Pairings},
howpublished = {Cryptology {ePrint} Archive, Paper 2004/206},
year = {2004},
url = {https://eprint.iacr.org/2004/206}
}