Abstract
In the ubiquitous networks, mobile nodes can obtain roaming service that enables them to get access to the services extended by their home networks in the field of foreign network. To provide secure and anonymous communication for legal mobile users in roaming services, there should be a mutual authentication between mobile user and foreign agent with the help of home agent. There are many roaming authentication schemes which have been proposed; however, with the progress of quantum computation, quantum attack poses security threats to many traditional public key cryptography-based authentication schemes; thus, antiquantum attack roaming authentication schemes need to be investigated. On account of the limitation of computational resources for mobile nodes, a lightweight anonymous and antiquantum authentication schemes need to be developed to enable mobile nodes to roam across multiple service domains securely and seamlessly. In consideration of the advantages of lattice in antiquantum, an NTRU-based authentication scheme with provable security and conditional privacy preservation is proposed to remedy these security weaknesses. Compared with the existing scheme, the proposed scheme not only improves efficiency but also can resist the quantum attack.
Highlights
With the advance of the wireless Internet access technology [1] and the popularity of smart mobile devices, the ubiquitous network has been widely used in our daily life, providing people with a more convenient life
(vi) Resistance to replay attacks: in the proposed scheme, the messages for authentication that are sent by mobile user MU and foreign agent contain timestamps; when FA and Home agent (HA) execute authentication process, each entity firstly verifies the validity of timestamp contained in messages, and proceeds subsequent operations
BAN logic analysis demonstrates that the proposed scheme is correct and mutual authentication is achieved. rough rigorous theoretical analysis and simulation experiments, we prove that the proposed scheme has better performance and feasibility, which can meet the security requirements of the roaming authentication scheme
Summary
With the advance of the wireless Internet access technology [1] and the popularity of smart mobile devices, the ubiquitous network has been widely used in our daily life, providing people with a more convenient life. Farash et al [16] and Gope and Hwang [17], respectively, proposed enhanced anonymous roaming authentication schemes to resist various attacks in ubiquitous networks. (1) We put forward an NTRU-based authentication scheme with conditional anonymity for mobile users to roaming securely in ubiquitous network, the most significant merit of which is antiquantum attack (2) Formal and informal security analysis is conducted for the proposed scheme to demonstrate that it can meet all security requirements (3) we perform the comparisons in terms of the computational and communication cost to show the feasibility and efficiency of the proposed scheme.
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