On a zero-knowledge property of arguments of knowledge based on secure public key encryption schemes

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Paper 2004/047

On a zero-knowledge property of arguments of knowledge based on secure public key encryption schemes

Yodai Watanabe

Abstract

This paper considers a weak variant on the notion of zero-knowledge. The weak notion is compatible with the chosen ciphertext security. In fact, arguments of knowledge based on IND-CCA encryption schemes are shown to be statistical zero-knowledge in that sense.

Metadata

Available format(s): PS
Category: Foundations
Publication info: Published elsewhere. Unknown where it was published
Keywords: foundations identification protocols public-key cryptography zero knowledge
Contact author(s): yodai @ brain riken jp
History: 2004-02-21: received
Short URL: https://ia.cr/2004/047
License: CC BY