Systematic Generation of Stochastic Diversity as an Intrusion Barrier in Survivable Systems Software

  • Authors:
  • Richard C. Linger

  • Affiliations:
  • -

  • Venue:
  • HICSS '99 Proceedings of the Thirty-Second Annual Hawaii International Conference on System Sciences-Volume 3 - Volume 3
  • Year:
  • 1999

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Abstract

Survivable systems software must exhibit high resistance to intrusion. Stochastic diversification can increase resistance to intrusion through random obscuration of survivable system properties. Intruders often rely on analysis of source code to identify and exploit vulnerabilities. The ability of intruders to understand and analyze code can be dramatically reduced through stochastic unstructuring to increase software complexity as an intrusion barrier while preserving function and performance. The constructive proof of the Structure Theorem was originally applied as a systematic process for transforming complex, unstructured programs into function-equivalent structured form for improved understandability and maintenance. This process can be reversed, to systematically introduce stochastic diversity by transforming structured programs into function-equivalent unstructured programs of arbitrary complexity that are virtually impossible to understand.