Formal and Informal Specifications of a Secure System Component: first results in a comparative study (1994)
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| Venue: | FME’94: INDUSTRIAL BENEFIT OF FORMAL METHODS, VOLUME 873 OF LECTURE NOTES IN COMPUTER SCIENCE |
| Citations: | 14 - 7 self |
BibTeX
@INPROCEEDINGS{Fitzgerald94formaland,
author = {J. S. Fitzgerald and T. M. Brookes and M. A. Green and P. G. Larsen},
title = {Formal and Informal Specifications of a Secure System Component: first results in a comparative study},
booktitle = {FME’94: INDUSTRIAL BENEFIT OF FORMAL METHODS, VOLUME 873 OF LECTURE NOTES IN COMPUTER SCIENCE},
year = {1994},
pages = {35--44},
publisher = {Springer-Verlag}
}
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Abstract
This paper presents initial results in a comparative study of formal and conventional techniques in the design of a secure system component: a trusted gateway. The operation of a trusted gateway is briefly introduced. The industrial context of its development is described, as is the form of the experiment. So far, part-formal and conventional design specifications have been produced for the trusted gateway from a common informal requirements document. As part of this process, queries have been raised against the informal requirements. These have been carefully logged, and form the subject of a preliminary analysis presented here. These first results suggest that the use of a formal specification language (in this case VDM-SL) leads to an an increased number of queries, and a bias in the specifier's concerns towards data rather than design issues.
