A protected password change protocol
<|reference_start|>A protected password change protocol: Some protected password change protocols were proposed. However, the previous protocols were easily vulnerable to several attacks such as denial of service, password guessing, stolen-verifier and impersonation atacks etc. Recently, Chang et al. proposed a simple authenticated key agreement and protected password change protocol for enhancing the security and efficiency. In this paper, authors shall show that password guessing, denial of service and known-key attacks can work in their password change protocol. At the same time, authors shall propose a new password change protocol to withstand all the threats of security.<|reference_end|>
@article{wang2005a,
    title={A protected password change protocol},
    author={Ren-Chiun Wang, Chou-Chen Yang, Kun-Ru Mo},
    journal={arXiv preprint arXiv:cs/0506105},
    year={2005},
    archivePrefix={arXiv},
    eprint={cs/0506105},
    primaryClass={cs.CR}
}