標題: Stream ciphers for GSM networks
作者: Lo, CC
Chen, YJ
資訊管理與財務金融系 註:原資管所+財金所
Department of Information Management and Finance
關鍵字: GSM networks;wireless communications;mobile communications;stream cipher;linear feedback shift register
公開日期: 15-六月-2001
摘要: With the advance of wireless communications technology, mobile communications has become more convenient than ever. However, because of the openness of wireless communications, how to protect the privacy between communicating parties is becoming a very important issue. In this paper, we focus on the security of transferring voice message on the Global System for Mobile communication (GSM) networks. Stream cipher is recommended for message encryption and decryption. First, a key generator is presented. Then, on the basis of the key generator, stream ciphers are designed with respect to different levels of securities of GSM networks. Simulation results indicate that the key generator always produces key strings of evenly distributed 0's and 1's and with a very long period; i.e. it is very unlikely that repeated patterns will appear. Cryptanalysis and operational analysis show that the proposed stream ciphers are secure and efficient; consequently, they provide a comprehensive set of message encryption/decryption algorithms for GSM networks. (C) 2001 Elsevier Science B.V. All rights reserved.
URI: http://dx.doi.org/10.1016/S0140-3664(00)00333-9
http://hdl.handle.net/11536/29570
ISSN: 0140-3664
DOI: 10.1016/S0140-3664(00)00333-9
期刊: COMPUTER COMMUNICATIONS
Volume: 24
Issue: 11
起始頁: 1090
結束頁: 1096
顯示於類別:期刊論文


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