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Generalized indistinguishability

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2 Author(s)
Maurer, U. ; Inst. of Theor. Comput. Sci., Eidgenossische Tech. Hochschule, Zurich, Switzerland ; Renner, R.

Indistinguishability between systems is a basic concept in cryptography, allowing for a generic type of security proofs. Its scope of application is however restricted to systems whose behavior depends on some secret randomness. We propose a generalized definition of indistinguishability which overcomes this restriction, such that the same type of security proofs applies in a more general context where this randomness might be public.

Published in:

Information Theory, 2002. Proceedings. 2002 IEEE International Symposium on

Date of Conference: