NDLI: Confidentiality for mobile code: the case of a simple payment protocol

Content Provider	IEEE Xplore Digital Library
Author	Dam, M. Giambiagi, P.
Copyright Year	2000
Description	Author affiliation: Dept. of Teleinf., KTH/IT, Kista, Sweden (Dam, M.)
Abstract	We propose an approach to support confidentiality for mobile implementations of security-sensitive protocols using Java/JVM. An applet which receives and passes on confidential information onto a public network has a rich set of direct and indirect channels available to it. The problem is to constrain applet behaviour to prevent those leakages that are unintended while preserving those that are specified in the protocol. We use an approach based on the idea of correlating changes in observable behaviour with changes in input. In the special case where no changes in (low) behaviour are possible we retrieve a version of noninterference. Mapping our approach to JVM a number of particular concerns need to be addressed, including the use of object libraries for IO, the use of labelling to track input/output of secrets, and the choice of proof strategy. We use the bisimulation proof technique. To provide user feedback we employ a variant of proof-carrying code to instrument a security assistant which will let users of an applet inquire about its security properties such as the destination of data input into different fields.
Starting Page	233
Ending Page	244
File Size	342010
Page Count	12
File Format	PDF
ISBN	0769506712
ISSN	10636900
DOI	10.1109/CSFW.2000.856940
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2000-07-05
Publisher Place	UK
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Computer aided software engineering Data security Java Access protocols Protection Libraries Labeling Feedback Instruments Information management
Content Type	Text
Resource Type	Article

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