Question
Let F', F : {0, 1}* x D + R be two polynomial-time computable functions, and let Fk(2) = F(x) e F(x). Assume F is
Let F', F" : {0, 1}* x D + R be two polynomial-time computable functions, and let Fk(2) = F(x) e F"(x). Assume F" is a secure PRF, and F' + F". Present a choice for F" such that the resulting F is not a secure PRF.
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Answer F should be a function that does not satisfy the requirements for a secure ...
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Algebra and Trigonometry
Authors: Ron Larson
10th edition
9781337514255, 1337271179, 133751425X, 978-1337271172
