Extractable perfectly one-way functions
WebWhen combined with hardness properties such as one-wayness or collision-resistance, extractability has proven to be a powerful tool. However, so far, extractability has not … WebAug 11, 2024 · We propose a new cryptographic primitive, called extractable perfectly one-way (EPOW) functions. Like perfectly one-way (POW) functions, EPOW functions are probabilistic functions that reveal no ...
Extractable perfectly one-way functions
Did you know?
WebWhen combined with hardness properties such as one-wayness or collision-resistance, extractability has proven to be a powerful tool. However, so far, extractability has not … WebJul 7, 2008 · We propose a new cryptographic primitive, called extractable perfectly one-way (EPOW) functions. Like perfectly one-way (POW) functions, EPOW functions are probabilistic functions that reveal no information about …
Webfectly one-way (EPOW) functions. Like perfectly one-way (POW) functions, EPOW functions are probabilistic functions that reveal no information about their input, other than the ability to verify guesses. In addition, an EPOW function, f , guarantees that any party that manages to compute a value in the range of f “knows” a corresponding ... WebWe propose a new cryptographic primitive, called extractable perfectly one-way (EPOW) functions. Like perfectly one-way (POW) functions, EPOW functions are probabilistic …
Webthere do not exist extractable one-way functions with respect to common auxiliary-input of unbounded poly-nomial length. This seems to suggest that the concept of extractable … WebJul 7, 2008 · We propose a new cryptographic primitive, called extractable perfectly one-way (EPOW) functions. Like perfectly one-way (POW) functions, EPOW functions …
Webto introduce a new class of functions called extractable perfectly one-way(EPOW) functions. These are functions that hide all information about the input but any machine that computes a valid image, “knows” a corresponding preimage. We also require a …
WebExtractability of functions was defined by the authors (ICALP’08) in the context of perfectly one-way functions. It can be regarded as an abstraction from specific knowledge assumptions, such as the Knowledge of Exponent assumption (Hada and Tanaka, Crypto 1998). We initiate a more general study of extractable functions. graphe cotanWebExtractable functions were coined in [8] for the specific goal of defining ex-tractable perfectly one-way (EPOW) functions.3 These functions were demon-strated to have … graph economic growthWebWe propose a new cryptographic primitive, called extractable per- fectly one-way (EPOW) functions. Like perfectly one-way (POW) functions, EPOW functions are probabilistic functions that reveal no information about their input, other than the ability to … chip shop warsopWebAstrong extractable OWF(sEOWF) is an ensemble of extractable functions that are one-to-one and every- where one-way (namely, for every sufficiently large security parameter,everyfunction in the family is hard to invert); furthermore, given a function, it is possible to efficiently verify whether the function belongs to the ensemble or not. graphect givetWebfunctions, and from extractable one-way functions to extractable commitments. Other questions, such as constructing extractable pseudorandom generators from ... 3 Informally, a probabilistic function is perfectly one-way if it hides all partial information about the input [7]. Extraction can be studied with or without auxiliary information. We ... chip shop warringtonWebWe propose a new cryptographic primitive, called extractable per-fectly one-way (EPOW) functions. Like perfectly one-way (POW) functions, EPOW functions are probabilistic … graphe cosinusWeb1 Introduction An extractable one-way function is a family of functions ff kgthat satisfies two properties: One-wayness: Given an image y = f k(x) for random key kand input x, it is hard to find a corresponding pre-image x02f 1 k (y); and Extraction: Given a random key k, it is hard to produce an image yobliviously, without knowing a corresponding preimage x0. graphe cos sin