KSSL Experiments in Wireless Internet Security

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to-end security of wireless Internet transactions even within today’s technological …… expertise in Internet security protocols and mobile computing. …

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KSSL: Experiments in Wireless Internet Security
Vipul Gupta and Sumit GuptaM/S MTV29-01
901 San Antonio Road
Palo Alto, CA 94303-4900
KSSL: Experiments in Wireless Internet Security
Vipul Gupta and Sumit Gupta
SMLI TR-2001-103 November 2001
Abstract:
Internet enabled wireless devices continue to proliferate and are expected to surpass traditional Internet
clients in the near future. This has opened up exciting new opportunities in the mobile e-commerce market.
However, data security and privacy remain major concerns in the current generation of “wireless web”
offerings. All such offerings today use a security architecture that lacks end-to-end security. This unfortunate
choice is driven by perceived inadequacies of standard Internet security protocols like SSL (Secure
Sockets Layer) on less capable CPUs and low-bandwidth wireless links.
This report presents our experiences in implementing and using standard security mechanisms and protocols
on small wireless devices. We have created new classes for the Java 2 Micro-Edition (J2ME.) platform
that offer fundamental cryptographic operations such as message digests and ciphers as well as
higher level security protocols like SSL. Our results show that SSL is a practical solution for ensuring endto-
end security of wireless Internet transactions even within today’s technological constraints.
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