Bit commitment scheme
WebA canonical quantum bit commitment scheme satisfies the so-called honest-binding property, which guarantees that any cheating sender in the reveal stage cannot open an honest commitment to the bit 0 as 1, and vice versa. This honest-binding property appears even weaker than sum-binding. Both flavors of canonical quantum bit commitments can be WebJan 1, 2006 · This paper proposes a bit commitment scheme, BC(·), and efficient statistical zero knowledge (in short, SZK) protocols in which, for any given multi-variable polynomial f(X 1,..,X t) and any given modulus n, prover P gives (I 1,..,I t) to verifier V and can convince V that V knows (x 1,..,x t) satisfying f(x 1,..,x t) = 0 (mod n) and I i = BC ...
Bit commitment scheme
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WebNov 29, 2024 · A complexity-based canonical (non-interactive) quantum bit commitment scheme refers to a kind of scheme such that the commitment consists of just a single … WebNov 5, 1993 · Abstract: We describe a complete protocol for bit commitment based on the transmission of polarized photons. We show that under the laws of quantum physics, this …
WebOct 29, 2015 · Bit commitment schemes are at the basis of modern cryptography. Since information-theoretic security is impossible both in the classical and in the quantum regime, we examine computationally secure commitment schemes. In this paper we study worst-case complexity assumptions that imply quantum bit commitment schemes. First, we …
WebDec 1, 2024 · Bit commitment is an important cryptographic primitive; it can be viewed as an electronic realization of a locked box [].Roughly speaking, a bit commitment scheme is a two-stage (consisting of a commit stage and a reveal stage) interactive protocol between a sender and a receiver, providing two security guarantees: hiding and binding. WebMar 23, 2013 · In general, a scheme can not be both perfectly hiding and perfectly binding, because they are opposing principles: If Alice was computationally unbound, hiding …
WebApr 28, 2016 · 1 Introduction. We study the definition and construction of computationally binding string commitment schemes in the quantum setting. A commitment scheme is …
WebApr 1, 2024 · Bit commitment, used in a wide range of cryptographic protocols (e.g. zero-knowledge proof, multiparty secure computation, and oblivious transfer), consists of two … photobytes singaporeWebDec 2, 2024 · A quantum bit commitment scheme is to realize bit (rather than qubit) commitment by exploiting quantum communication and quantum computation. In this … photocagedWebCommitment schemes have important applications in a number of cryptographic protocols including secure coin flipping, zero-knowledge proofs, and secure computation. A way to … photocadWebApr 16, 2024 · In addition, a general bit commitment framework can be extracted from the SCQBC scheme, which opens up a new class of cryptographic protocols in … photocad berlinWebJul 24, 2024 · As discussed in Sects. 1 and 2.1, using different flavors of the KTX commitment scheme, we can commit to all the bits of X, Y, Z at once or a bit-by-bit fashion. Both approaches are both compatible with (and independent of) our ZK techniques. how does the heart beatWebMay 4, 1997 · The proof can be based on any bit commitment scheme with a particular set of properties. We suggest an efficient implementation based on factoring. We also present a 4-move perfect zero-knowledge interactive argument for any NPlanguage L. On input x ∈ L, the communication complexity is O( x c) · max(k, l) bits, where l is the security ... how does the heart never get tiredWebDefinition 1. A Bit Commitment scheme is statistically concealing if only a negligible amount of informa-tion on the committed bit can leak to the verifier before the unveiling stage. Definition 2. A Bit Commitment scheme is statistically binding if, for b∈ {0,1}, the probability pb that Alice successfully unveils for bsatisfies p0 +p1 ... how does the heart beat simplified