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Handbook of wireless networks and mobile computing

With the advance of wireless communications technology, mobile communications has become more convenient than ever. However, because of the openness of wireless communications, the protection of the privacy between communicating parties is becoming a very important issue. We focus on the security of the Global System for Mobile communication (GSM) networks. A secure communication architecture for the GSM network is proposed. In the proposed architecture, we use public-key cryptography for user authentication and stream cipher for message encryption and decryption. An authentication protocol and a key generation method are presented in conjunction with the proposed architecture. Cryptanalysis and operational analysis show that the authentication protocol is secure and efficient. Simulation results indicate that the key generation method can always produce key strings of evenly distributed 0s and 1s and with infinite period.

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Secure communication mechanisms for GSM networks

Anonymous channel and authentication in wireless communications

Network technology that can support user mobility has prompted anonymous requirement. We describe an efficient anonymous channel protocol for large scale area in wireless communications. With the e-service it is expected that in the near future, portable communications systems will provide many applications in e-commerce. However, on a large scale area, the transaction data and handoff events are very large. Our mobile user uses an anonymous channel ticket without connecting to the home domain, and visit domain authentication for the mobile user without any information form home domain, so our method is suitable for a large scale area. We can also reduce the computational cost in the anonymous channel ticket authentication phase.

A wireless-based authentication and anonymous channels for large scale area

The goal of the third-generation mobile systems is to provide worldwide operation, enhance service capabilities, and improve performance over the second-generation mobile systems. In this paper, we propose an authentication procedure for third-generation mobile systems. The authentication procedure is a protocol suite consisting of two subprotocols: a certificate-based authentication (CBA) protocol and a ticket-based authentication (TBA) protocol. Only two parties, MS and VLR, are involved in executing our protocol. Our authentication procedure uses both public- and secret-key cryptosystems. Our authentication procedure not only provides uniform authentication across domains, but also reduces computational costs in the process of repeated authentication. We provide firm proof of our procedure's correctness.

https://ir.nctu.edu.tw:443/bitstream/11536/29972/1/000166693300003.pdf

Authentication of Mobile Users in Third Generation Mobile Systems

A new public-key user authentication protocol for mobile communication network is presented based on Harn (see Electronics Letters, vol.30, no.5, p.396, 1994) proposed modified ElGa-mal signature system and Rabin cryptosystem. It overcomes the shortcomings of secret-key authentication protocol used in GSM and CT-2 systems, and a has lower computational complexity and a higher security.

A user authentication protocol for digital mobile communication network

The logical structure of a personal communication system (PCS) is divided into three layers: intelligent layer, transmission layer and access layer. The authentication of mobile users is realized in the intelligent layer. The database structure of the PCS, different from the existing systems such as GSM and IS-41 etc., is centralized. Therefore the authentication schemes used in existing systems cannot meet the requirement of the PCS. In this paper, a user authentication scheme is proposed according to the database structure in the intelligent layer of the PCS. Compared with the existing authentication schemes, it has the following properties: (1) The authentication of mobile users in the visited network is not controlled by its home network. The traffic load of location update and interrogation is greatly reduced. (2) The authentication protocol adopts a public key/secret key hybrid algorithm. (3) When the data transmission network adopts PSPDN or common channel signaling network, the scheme still has very high security.

Liu Jianwei

Papers

A user authentication protocol for digital mobile communication network

Authentication of mobile users in personal communication system

Open-loop memory polynomial pre-distorter based on look-up table