Remote authentication scheme for multi-server environment based on biometrics with access control

Compared with single-server authentication scheme, the authentication scheme for multi-server environment has a lot of advantages. Such as users needn't to remember various passwords or register for every application server. In 2016, Irshad et al. proposed a three-factor scheme based on chaotic map for multi-server environment. Irshad's scheme has high efficiency and strong robustness. However, after careful analysis, this paper shows that Irshad's scheme still has many disadvantages. In order to solve these problems, a new three-factor authentication scheme based on secure sketch and Chebyshev chaotic map has been proposed in this paper. From the analysis, we can see that the proposed scheme has higher security level and deals with biometric more appropriately in spite of slight higher computation cost than Irshad's scheme. What's more, an access control method has been introduced for the purpose of making different users enjoy different access privileges with regard to the data. At the same time, the proposed scheme can achieve key agreement.