Paper 2014/461
Provably secure and efficient certificateless signature in the standard model
Lin Cheng, Qiaoyan Wen, Zhengping Jin, and Hua Zhang
Abstract
Certificateless public key cryptography eliminates inherent key escrow problem in identity-based cryptography, and does not yet requires certificates as in the traditional public key infrastructure. However, most of certificateless signature schemes without random oracles have been demonstrated to be insecure. In this paper, we propose a new certificateless signature scheme and prove that our new scheme is existentially unforgeable against adaptively chosen message attack in the standard model. Performance analysis shows that our new scheme has shorter system parameters, shorter length of signature, and higher computational efficiency than the previous schemes in the standard model.
Metadata
- Available format(s)
- -- withdrawn --
- Category
- Public-key cryptography
- Publication info
- Preprint. MINOR revision.
- Contact author(s)
- stonewoods302 @ 163 com
- History
- 2014-06-19: withdrawn
- 2014-06-17: received
- See all versions
- Short URL
- https://ia.cr/2014/461
- License
-
CC BY