Proof of Knowledge and Zero knowledge protocols
Full Proof Cryptography: Verifiable Compilation of Efficient Zero-Knowledge Protocols
... the proof of knowledge property of the high- level protocol will only be guaranteed if the computational hardness assumptions underlying R res can be publicly ver- ified to hold in an instance R res , ...
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Zero-Knowledge Proof Systems for QMA
... on zero-knowledge largely reside in a classical ...of zero- knowledge proof systems in a quantum ...course, zero-knowledge protocols that immediately become ...
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On the Amortized Complexity of Zero-knowledge Protocols
... its proof of soundness requires that the group order is known, and finding the order of Z ∗ N is equivalent to factoring ...a proof of membership in the group generated by g, the error probability for known ...
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Zero-Knowledge Protocols for Search Problems
... the proof of IP ⊆ P SP ACE : given an input x, the computation tree that corresponds to the given protocol execution on x is ...interactive protocols for search problems it is not clear how to mimic this ...
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The Knowledge-of-Exponent Assumptions and 3-Round Zero-Knowledge Protocols
... However, going from this intuition to an actual proof that the assumption is false takes some work, for several reasons. The above may be intuition that there exists an adversary for which there would not exist an ...
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Automatic Generation of Sound Zero-Knowledge Protocols
... of knowledge in the auxiliary string ...efficient proof of knowledge for arbitrary exponentiation homomorphisms (that do not contain more than an arbitrary but fixed number of base ...a proof ...
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On the Amortized Complexity of Zero Knowledge Protocols for Multiplicative Relations
... Assuming preprocessing, we can make the commitments (and hence the protocol itself) be information theoretically secure. Using this type of commitments we obtain, in the preprocessing model, a perfect ...
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A Framework for Practical Universally Composable Zero-Knowledge Protocols
... than knowledge. In the UC-framework, all proof protocols are necessarily proofs of ...higher-level protocols, is often only necessary to prove that some computation was done correctly, but not ...
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Practical zero-knowledge Protocols based on the discrete logarithm Assumption
... in L such non-membership proofs have many useful applications. As a concrete application of our polynomial evaluation argument we will look at blacklisting anonymous users, which is a notoriously difficult cryptographic ...
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Zero Knowledge and Soundness are Symmetric
... Zero-knowledge protocols come in several flavors, depending on how one formulates the two security conditions: (1) the zero-knowledge condition, which says that the verifier “learns ...
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DIZK: A Distributed Zero Knowledge Proof System
... challenging. Protocols for zkSNARKs on large circuits involve solving multiple large instances of tasks about polynomial arithmetic over cryptographically- large prime fields and about multi-scalar multiplication ...
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A Certifying Compiler for Zero-Knowledge Proofs of Knowledge Based on $\Sigma$-Protocols
... the proof of knowledge should be ...soundness proof that we construct essentially establishes that this algebraic check is correct with respect to the proof goal, ...soundness proof is ...
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Recent Advances and Success of Zero-Knowledge Security Protocols
... the proof if both images after radiated are flat gray – meaning there is a 50 percent probability that the objects are indeed identical - otherwise he/she rejects ...The proof is ...
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Quantum Bit Commitment with Application in Quantum Zero-Knowledge Proof
... 1. Seeing from its constructions, both two flavors (i.e. statistically-binding and statistically- hiding) of QBC have non-interactive commit stage. Moreover, in this paper we show that the non-interactivity of QBC seems ...
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Efficient Threshold Zero-Knowledge with Applications to User-Centric Protocols
... Proof. Security for B and S follows since it is oblivious for them that they execute the threshold version. Since u 1 is secret shared, the adversary cannot steal coins, and anonymity of U can be reduced to ...
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The Statistical Zero-knowledge Proof for Blum Integer Based on Discrete Logarithm
... statistical zero-knowledge proof for a+b = d, ab = d, and d = a b In [8], Camenisch and Michels obtained the statistical zero-knowledge proofs for a + b ≡ d(mod n), ab ≡ d(mod n), and a ...
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Guillou-quisquater protocol for user authentication based on zero knowledge proof
... Penetration testing has been performed based on the OWASP authentication scheme. Experiments to retrieve user’s private key and certificate, such as sniffing login data and XSS to retrieve local storage data, are failed. ...
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Proof of Proximity of Knowledge
... The last part of this definition applies to protocols which identify well the challenge/response rounds. We implicitly assume that (x,y) keys of honest provers are correctly registered using Kgen. In practice, if ...
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A Note On Groth-Ostrovsky-Sahai Non-Interactive Zero-Knowledge Proof System
... Non-Interactive Zero-Knowledge Proof System Zhengjun Cao 1 , Lihua Liu 2,∗ ...non-interactive zero-knowledge (NIZK) proof system [new version, ...being zero or one using ...
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PRIVACY PRESERVING CLUSTERING ON HORIZONTALLY PARTITIONED DATA USING ZERO KNOWLEDGE PROOF
... transfer protocols which are secure against malicious ...using zero- knowledge proofs that are used by the receiver to prove that it chooses the keys ...secure protocols, and is repeated many ...
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