Paper 2005/182 Original: eprint.iacr.org/2005/182 ↗
Cryptanalysis on Chang-Yang-Hwang Protected Password Change Protocol
Abstract
Recently, Chang et al. proposed an authenticated key agreement and protected password change scheme. They claimed that their scheme is simple and efficient. However, in this letter we point out that their protected password change protocol is insecure under the denial-of-service attack and the dictionary attack in some situations.
Metadata
- Available format(s)
PDF- Publication info
- Preprint.
- History
- 2005-06-22: last updated
- 2005-06-22: published
- Short URL
- https://ia.cr/2005/182
- License
- https://creativecommons.org/licenses/by/4.0/
BibTeX
@misc{cryptoeprint:2005/182,
author = {Chih-I Wang and Chun-I Fan and D. J. Guan},
title = {Cryptanalysis on Chang-Yang-Hwang Protected Password Change Protocol},
howpublished = {Cryptology {ePrint} Archive, Paper 2005/182},
year = {2005},
url = {https://eprint.iacr.org/2005/182}
}