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Verifiable and Delegatable Constrained Pseudorandom Functions for Unconstrained Inputs
constrained pseudorandom functions verifiable constrained pseudorandom function key delegation
2016/12/10
Constrained pseudorandom functions (CPRF) are a fundamental extension of the notion of traditional pseudorandom functions (PRF). A CPRF enables a master PRF key holder to issue constrained keys corres...
A constrained pseudo random function (PRF) behaves like a standard PRF, but with the added feature that the (master) secret key holder, having secret key K, can produce a constrained key, K{f}, that a...
Fully secure constrained pseudorandom functions using random oracles
constrained pseudorandom functions adaptive security non-interactive key exchange
2016/1/9
A constrained pseudorandom function (CPRF) PRF allows to derive constrained evaluation
keys that only allow to evaluate PRF on a subset of inputs. CPRFs have only recently been
introduced independen...
Constrained Pseudorandom Functions: Verifiable and Delegatable
Pseudorandom functions Constrained PRFs/signatures Verifiable Random Functions
2016/1/8
Constrained pseudorandom functions (introduced independently by Boneh and Waters (CCS 2013), Boyle,
Goldwasser, and Ivan (PKC 2014), and Kiayias, Papadopoulos, Triandopoulos, and Zacharias (CCS 2013)...
Adaptively Secure Constrained Pseudorandom Functions
Adaptively Secure Pseudorandom Functions
2016/1/7
A constrained pseudo random function (PRF) behaves like a standard PRF, but with the added
feature that the (master) secret key holder, having secret key K, can produce a constrained key, Kf ,
that ...
A pseudorandom function (PRF) is a keyed function F:K×X→Y where, for a random key k∈K, the function F(k,⋅) is indistinguishable from a uniformly random function, given black-box access. A \emph{...
We put forward a new notion of pseudorandom functions (PRFs) we call constrained PRFs. In a standard PRF there is a master key k that enables one to evaluate the function at all points in the domain o...