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We introduce the concept of computationally independent pair of one-way functions (CI-OWF). We also provide two rich classes of examples of such functions based on standard assumptions. We revisit two...
Distributional collision resistance is a relaxation of collision resistance that only requires that it is hard to sample a collision (x,y) where x is uniformly random and y is uniformly random conditi...
We present hash functions that are almost optimally one-way in the quantum setting. Our hash functions are based on the Merkle-Damgård construction iterating a Davies-Meyer compression function, ...
The notion of non-interactive secure computation (NISC) first introduced in the work of Ishai et al. [EUROCRYPT 2011] studies the following problem: Suppose a receiver R wishes to publish an encryptio...
An interesting consequence of our results is a potential new avenue for bypassing black-box separations. In particular, proving (with necessarily non-black-box techniques) that parallel repetition amp...
A central challenge in differential privacy is to design computationally efficient noninteractive algorithms that can answer large numbers of statistical queries on a sensitive dataset. That is, we wo...
In this paper, we initiate the study of leakage-resilient tweakable encryption schemes in the relative key-leakage model, where the adversary can obtain (arbitrary) partial information about the secre...
Most cryptographic schemes are designed in a model where perfect secrecy of the secret key is assumed. In most physical implementations, however, some form of information leakage is inherent and unavo...
A garbling scheme is used to garble a circuit C and an input x in a way that reveals the output C(x) but hides everything else. In many settings, the circuit can be garbled off-line without strict e...
A program obfuscator takes a program and outputs a “scrambled” version of it, where the goal is that the obfuscated program will not reveal much about its structure beyond what is apparent from exec...
We revisit “the randomized iterate” technique that was originally used by Goldreich, Krawczyk, and Luby (SICOMP 1993) and refined by Haitner, Harnik and Reingold (CRYPTO 2006) in constructing pseudo...
We revisit the problem of black-box constructions of universal one-way hash functions (UOWHFs) from several (from specific to more general) classes of one-way functions (OWFs), and give respective c...
A function f is extractable if it is possible to algorithmically “extract,” from any adversarial program that outputs a value y in the image of f, a preimage of y. When combined with hardness propert...
Yao’s garbled circuit construction is a fundamental construction in cryptography and recent effi- ciency optimizations have brought it much closer to practice. However these constructions work only f...
One-way functions are both central to cryptographic theory and a clear example of its complexity as a theory. From the aim to understand theories, proofs, and communicability of proofs in the area b...

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