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Distributed m-healthcare cloud computing system significantly facilitates efficient patient treatment for medical consultation by sharing personal health information among healthcare providers. However, it brings about the challenge of keeping both the data confidentiality and patients’ identity privacy simultaneously. Many existing access control and anonymous authentication schemes cannot be straightforwardly...
Remote user authentication scheme has been widely adopted in the cyberworld to provide security and privacy because of various online threats and insecure communications. In the past few decades, many smart card-based authentication schemes are put forward. In such schemes, a user only need to maintain an identity and a password and employ a smart card to fulfill the authentication with a remote server...
The focus of this paper is to design an efficient certificateless threshold signature scheme (CLTHS) for data report authentication in mobile ad-hoc network, by which relatively small subsets of very large groups can report data that is aggregated and ``certified" by means of a signature. Examples include vehicular networks where cars report traffic conditions, sensor networks that report aggregate...
Deniable authenticated protocol is a new cryptographic authentication protocol that enables an intended receiver to identify the source of a given message without being able to prove the identity of the sender to a third party. Therefore, it can be applied to many practical situations. Over the past years, plenty of deniable authentication protocols have been put forth. In this paper, based on the...
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