[Resource Topic] 2004/047: On a zero-knowledge property of arguments of knowledge based on secure public key encryption schemes

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

Authors: 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.

ePrint: https://eprint.iacr.org/2004/047

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