Browsing by Author "Velarde-Alvarado, P."
Now showing items 1-3 of 3
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Cryptanalysis and improvement of chen-hsiang-shih's remote user authentication scheme using smart cards
Martínez Pelàez, Rafael; Rico Novella, Francisco José; Velarde-Alvarado, P. (2013-09)
Article
Open AccessRecently, Chen-Hsiang-Shih proposed a new dynamic ID-based remote user authentication scheme. The authors claimed that their scheme was more secure than previous works. However, this paper demonstrates that theirscheme is ... -
Security enhancement on Li-Lee’s remote user authentication scheme using smart card
Martínez-Pelaez, Rafael; Rico Novella, Francisco José; Velarde-Alvarado, P. (2014)
Article
Open AccessRecently, Li and Lee proposed a new remote user authentication scheme using smart card. However, their scheme requires a verification table and the user’s identity is not protected. Moreover, users cannot change their ... -
Security improvement of two dynamic ID-based authentication schemes by Sood-Sarje-Singh
Martínez-Pelaez, Rafael; Rico Novella, Francisco José; Forné Muñoz, Jorge; Velarde-Alvarado, P. (2013)
Article
Open AccessIn 2010, Sood-Sarje-Singh proposed two dynamic ID-based remote user authentication schemes. The first scheme is a security improvement of Liao et al.’s scheme and the second scheme is a security improvement of Wang et al.’s ...