Efficient Zero-Knowledge Proof of Algebraic and Non-Algebraic Statements with Applications to Privacy Preserving Credentials

IACR Cryptology ePrint Archive, Volume 2016, 2016, Pages 499-530.

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Abstract:

Practical anonymous credential systems are generally built around sigma-protocol ZK proofs. This requires that credentials be based on specially formed signatures. Here we ask whether we can instead use a standard say, RSA, or ECDSA signature that includes formatting and hashing messages, as a credential, and still provide privacy. Existi...More

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