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S-boxes, typically the only nonlinear part of a block cipher, are the heart of symmetric cryptographic primitives. They significantly impact the cryptographic strength and the implementation character...
Practical Functional Encryption for Quadratic Functions with Applications to Predicate Encryption
functional encryption predicate encryption
2017/2/23
We present two practically efficient functional encryption schemes for a large class of quadratic functionalities. Specifically, our constructions enable the computation of so-called bilinear maps on ...
Functional Encryption for Quadratic Functions, and Applications to Predicate Encryption
functional encryption quadratic functions predicate encryption
2016/12/7
We present a functional encryption scheme based on standard assumptions where ciphertexts are associated with a tuple of values (x 1 ,...,x n ) in Z p n, secret keys are associated with a degree-two p...