A Linear Logic of Authorization and Knowledge
- Cite this paper as:
- Garg D., Bauer L., Bowers K.D., Pfenning F., Reiter M.K. (2006) A Linear Logic of Authorization and Knowledge. In: Gollmann D., Meier J., Sabelfeld A. (eds) Computer Security – ESORICS 2006. ESORICS 2006. Lecture Notes in Computer Science, vol 4189. Springer, Berlin, Heidelberg
We propose a logic for specifying security policies at a very high level of abstraction. The logic accommodates the subjective nature of affirmations for authorization and knowledge without compromising the objective nature of logical inference. In order to accurately model consumable authorizations and resources, we construct our logic as a modal enrichment of linear logic. We show that the logic satisfies cut elimination, which is a proof-theoretic expression of its soundness. We also demonstrate that the logic is amenable to meta-reasoning about specifications expressed in it through several examples.
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