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Omniring: Scaling Up Private Payments Without Trusted Setup - Formal Foundations and Constructions of Ring Confidential Transactions with Log-size Proofs
Ring Confidential Transactions Log-size Proofs
2019/5/31
Monero is the largest cryptocurrency with built-in cryptographic privacy features. The transactions are authenticated using spend proofs, which provide a certain level of anonymity by hiding the sourc...
One of the main challenges that hinder further adaption of decentralized cryptocurrencies is scalability. Because current cryptocurrencies require that all transactions are processed and stored on a d...
Onion-AE: Foundations of Nested Encryption
Anonymity authenticated encryption onion routing
2018/2/6
Nested symmetric encryption is a well-known technique for low-latency communication privacy. But just what problem does this technique aim to solve? In answer, we provide a provable-security treatment...
Foundations of Homomorphic Secret Sharing
homomorphic secret sharing, secure computation, communication complexity
2018/1/2
Homomorphic secret sharing (HSS) is the secret sharing analogue of homomorphic encryption. An HSS scheme supports a local evaluation of functions on shares of one or more secret inputs, such that the ...
Privacy Notions for Privacy-Preserving Distributed Data Mining: Foundations and Privacy Games
privacy privacy games privacy notions
2017/11/27
It is well understood that the huge volumes of data captured in recent years have the potential to underpin significant research developments in many fields. But, to realise these benefits, all releva...
It is well-known that a program's memory access pattern can leak information about its input. To thwart such leakage, most existing works adopt the solution of oblivious RAM (ORAM) simulation. Such a ...
Foundations for Actively Secure Card-based Cryptography
Card-based protocols Card shuffling Secure multiparty computation
2017/5/23
Starting with the so-called “Five-Card Trick” of den Boer (EUROCRYPT 1989) for computing the AND of two players' bits, a version of secure multiparty computation in which a deck of playing cards repla...
Automatically Detecting the Misuse of Secrets: Foundations, Design Principles, and Applications
cryptographic protocols Design Principles
2017/3/13
We develop foundations and several constructions for security protocols that can automatically detect, without false positives, if a secret (such as a key or password) has been misused. Such construct...
Multi-Prover Interactive Proofs: Unsound Foundations
cryptographic protocols Zero-Knowledge
2017/3/9
Several Multi-Prover Interactive Proofs (MIPs) found in the literature contain proofs of soundness that are lacking. This was first observed by Crépeau, Salvail, Simard and Tapp who defined a notion o...
Completitud y continuidad en Fundamentos de la geometría de Hilbert:acerca del Vollständigkeitsaxiom (Completeness and Continuity in Hilbert’s Foundations of Geometry:on the Vollstandigkeitsaxiom)
Hilbert geometría euclídea axioma de completitud axiomas de continuidad metodo axiomático filosofía de la geometría Euclidean geometry axiom of completeness continuity axioms axiomatic method philosophy of geometry
2016/6/13
El artículo documenta y analiza las vicisitudes en torno a la incorporación de Hilbert de su famoso axioma de completitud, en el sistema axiomático para la geometría euclídea. Esta tarea es emprendida...
The Oxford Questions on the foundations of quantum physics
oundations relativity reality measurement collapse Polkinghorne
2016/6/12
The twentieth century saw two fundamental revolutions in physics—relativity and quantum. Daily use of these theories can numb the sense of wonder at their immense empirical success. Does their instrum...
Inertial motion,explanation,and the foundations of classical spacetime theories
Inertial motion geodesic principle general relativity Newton-Cartan theory geometrized Newtonian gravitation explanation puzzle-ball view
2016/5/31
I begin by reviewing some recent work on the status of the geodesic principle in general relativity and the geometrized formulation of Newtonian gravitation. I then turn to the question of whether eit...
Essay Review of David Malament,Topics in the Foundations of General Relativity and Newtonian Gravitation Theory
general relativity Newtonian gravitation theory
2016/5/30
Essay Review of David Malament,Topics in the Foundations of General Relativity and Newtonian Gravitation Theory.
On the role played by the work of Ulisse Dini on implicit function theory in the modern differential geometry foundations:the case of the structure of a differentiable manifold,1
differentiable manifold implicit function immersion theorems
2016/5/30
In this first paper we outline what possible historic-epistemological role might have played the work of Ulisse Dini on implicit function theory in formulating the structure of differentiable manifold...
(Never) Mind your p's and q's:Von Neumann versus Jordan on the Foundations of Quantum Theory
Pascual Jordan John von Neumann transformation theory probability amplitudes canonical transformations Hilbert space spectral theorem
2016/5/30
In early 1927, Pascual Jordan (1927b) published his version of what came to be known as the Dirac-Jordan statistical transformation theory. Later that year and partly in response to Jordan, John von N...