Jianghong Wei

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The telecare medicine information system enables or supports health-care delivery services. In order to safeguard patients’ privacy, such as telephone number, medical record number, health information, etc., a secure authentication scheme will thus be in demand. Recently, Wu et al. proposed a smart card based password authentication scheme for the telecare(More)
In distributed systems, the smart card based password authentication, as one of the most convenient and efficient two-factor authentication mechanisms, is widely used to ensure that the protected services are not available to unauthorized users. Recently, Li et al. demonstrated that the smart card based password authentication scheme proposed by Chen et al.(More)
This paper presents an extension of BGP4 based on trust model. Specifically, we first establish a trust model appropriate to evaluate ASes' trust degree toward its neighbors in two ways, direct observations and recommendations; Secondly, the trustworthiness of every AS path advertised is estimated iteratively by utilizing the trust degree of ASes; Finally,(More)