zero-knowledge cryptographic protocols
Classical Cryptographic Protocols in a Quantum World
... We make one change to Unruh’s model in order to be consistent with our earlier definitions and the work of Watrous on zero-knowledge [72]: we allow the environment to take quantum advice, rather than only ...
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Design and cryptographic security analysis of e-voting protocols
... certain zero-knowledge proofs) to the specific ...verifying zero-knowledge proofs) that all ballots on the bulletin board are counted ...Rigorous cryptographic security ...
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Placing Conditional Disclosure of Secrets in the Communication Complexity Universe
... secure protocols is a fundamental research ...simple cryptographic tasks, and for most models, there are ex- ponentially large gaps between the best known upper-bounds and the best known ...message ...
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Deniable Key Exchange for Privacy Preservation in ON-LINE Shopping
... Key-Exchange Protocols are the main cryptographic protocols that are used to achieve the Internet security, which specify the key exchange mechanisms that are used to establish shared keys for use in ...
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Full Proof Cryptography: Verifiable Compilation of Efficient Zero-Knowledge Protocols
... of zero-knowledge ...a knowledge extractor guarantee- ing special ...fundamental zero-knowledge property nor completeness are addressed by the compiler, and the verification component ...
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Abstracting cryptographic protocols
... secure cryptographic realization of our symbolic abstraction of ...(non-interactive) cryptographic primitives used in the symbolic protocol and within the SMPC ...non-interactive cryptographic ...
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Efficient Statistical Zero-Knowledge Authentication Protocols for Smart Cards Secure Against Active & Concurrent Attacks
... of cryptographic constructions, we need a security model and a security ...the cryptographic construction to be secure if the advantage of the adversary in winning is only ...the cryptographic ...
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Public Accountability vs. Secret Laws: Can They Coexist?
... of cryptographic protocols, and in particular, the use of zero-knowledge proofs can ensure ac- countability and transparency of the government in this extraordi- nary, seemingly deadlocked, ...
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Deciding Epistemic and Strategic Properties of Cryptographic Protocols
... Charly, there is a “counter-strategy” for Alice such that Alice’s vote is counted as she wants to vote, but Charly believes that he controlled her voting process. Clearly, we cannot require Charly to always fail to ...
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Efficiency Evaluation of Cryptographic Protocols for Boardroom Voting
... investigated protocols address this shortcoming by generating a public ElGamal key and a set of private ElGamal key shares according to a combination of a distributed secret sharing scheme [34, 35] with the ...
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A SECURED EMBEDDED SCHEME BASED ON MULTI-CRYPTOGRAPHIC PROTOCOLS
... Stream Cipher: A stream cipher does not divide a message up into blocks; instead, a stream cipher treats the message as a stream of bits or bytes and performs mathematical functions on them individually When using a ...
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An Advance Visual Model for Animating Behavior of Cryptographic Protocols
... of cryptographic protocol components and its operations is required to provide the ability of connecting the animated object with its consistent image and ...our knowledge, the possibility of improvement ...
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Internet Security Cryptographic Principles, Algorithms, & Protocols pdf
... OSPF divides an autonomous system (AS) in areas, defined as collections of networks, hosts and routers. At the border of an area, area border routers summarise information about the area and send it to other areas. There ...
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Secure Modulo Zero-Sum Randomness as Cryptographic Resource
... among m players. However, when we can use quantum system, we have such a de- sired method as follows. First, we generate m pair of secure secret keys required in Section 6.1 by using quantum key distribution. Then, we ...
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Computationally binding quantum commitments
... of knowledge. The following definition of quantum arguments of knowledge follows the definition from [Unr15b], with one difference: we have formulated security against uniform malicious ...
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CRYPTOGRAPHIC APPROACH FOR DATA TRANSFER USING PROTOCOLS
... Using of the FTP (File Transfer Protocol) the packages of data is transferred and reached a point from supplier of source to destination with authorized providers. Throughout this dealing, certain path provides a ...
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Another look at non-uniformity
... of protocols frequently argue that one of the advantages of a rigorous mathematical approach is that it forces cryptographers to be careful and precise in their ...of protocols, it is disconcerting to find ...
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Weak Zero-Knowledge Beyond the Black-Box Barrier
... One-message zero-knowledge with super-polynomial simulation can be constructed against uniform provers, assuming uniform collision-resistant keyless hash functions [BP04a], or against non-uniform verifiers, ...
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Fair private set intersection with a semi-trusted arbiter
... to achieve fairness in threshold decryption protocols. On the other hand, if an online trust third party is available, the PSI functionality can be trivially computed by giv- ing the input sets to the trusted ...
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An Unconditionally Hiding and Long-Term Binding Post-Quantum Commitment Scheme
... these protocols are only computationally hiding or are not resistant against quantum ...(statistical) zero-knowledge protocols and allows to refreshes the binding property over ...in ...
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