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Formal Engineering Methods, International Conference on (1997)
Hiroshima, JAPAN
Nov. 12, 1997 to Nov. 14, 1997
ISBN: 0-8186-8002-4
pp: 232
Milica Barjaktarovic , Wilkes University
We constructed a formal specification for sending secure Internet e-mail using Multilevel Information System Security Initiative (MISSI). We used formal language PROMELA, based on Hoare's CSP. We verified the model using AT&T's automated model checker SPIN. We propose a software engineering approach where we translate from English to pseudocode to a process algebra specification, verify the specification, and discover ambiguities, omissions, and errors in the English description. This work shows that formal methods can be used to speed up and clarify the software engineering process. It took eight weeks to choose SPIN among several tools, learn SPIN and MISSI, and produce and verify a sender model. We later added a local cache specification. The complexity of the process is intensified by starting from the purely English- and figure- based original specification, which relies on many separate documents and standards that operate together.
protocol engineering, software engineering, formal specification and verification, secure e-mail protocols, model checking, SPIN

M. Barjaktarovic, "Formal Specification and Verification of the MISSI Sender and Local Cache Using SPIN," Formal Engineering Methods, International Conference on(ICFEM), Hiroshima, JAPAN, 1997, pp. 232.
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