End-to-end security mechanisms for SMS
by Jing-Shyang Hwu, Shih-Feng Hsu, Yi-Bing Lin, Rong-Jaye Chen
International Journal of Security and Networks (IJSN), Vol. 1, No. 3/4, 2006

Abstract: In the mobile communication systems, security (encryption) offered by the network operator applies only on the wireless link. Data delivered through the mobile core network may not be protected. Existing end-to-end security mechanisms are provided at application level and typically based on public key cryptosystem. This paper introduces two encryption mechanisms based on the Rivest-Shamir-Adleman (RSA) scheme and the Identity-based (ID-based) scheme to provide end-to-end security for Short Message Service (SMS). We implement these two mechanisms over the standard SMS network architecture and estimate the encryption overhead. Our study indicates that the ID-based mechanism has advantages over the RSA mechanism in key distribution and scalability of increasing security level for mobile service.

Online publication date: Thu, 21-Dec-2006

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