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Post-Quantum Zero-Knowledge Proofs for Accumulators with Applications to Ring Signatures from Symmetric-Key Primitives
privacy-preserving cryptography provable security accumulator
2017/11/29
In this paper we address the construction of privacy-friendly cryptographic primitives for the post-quantum era and in particular accumulators with zero-knowledge membership proofs and ring signatures...
Post-Quantum Zero-Knowledge and Signatures from Symmetric-Key Primitives
post-quantum cryptography zero-knowledge signatures
2017/3/31
In our signature constructions, the public key is an image y=f(x) of a one-way function f and secret key x. A signature is a non-interactive zero-knowledge proof of x, that incorporates a message to b...
Efficient Post-Quantum Zero-Knowledge and Signatures
public-key cryptography symmetric-key primitives
2016/12/7
In this paper, we present a new post-quantum digital signature algorithm that derives its security entirely from assumptions about symmetric-key primitives, which are very well studied and believed to...
Quantum Bit Commitment with Application in Quantum Zero-Knowledge Proof
quantum bit commitment quantum zero-knowledge unconditional study
2016/1/6
Watrous (STOC 2006) proved that plugging classical bit commitment scheme that is secure
against quantum attack into the GMW-type construction of zero-knowledge gives a classical
zero-knowledge proof...
The role of help in Classical and Quantum Zero-Knowledge
Zero-Knowledge standard interactive model
2008/5/22
We study the role of help in Non-Interactive Zero-Knowledge protocols and its relation to
the standard interactive model. In the classical case, we show that help and interaction are
equivalent, ans...