2. (PRGS) Let G : {0, 1}" → {0, 1}2 be a PRG and let H: {0,1}²n → {0, 1}" be a collision resistant hash function. Argue whether each of the following candidates is or is not a secure PRG.| def (a) G'(x) G(H(x||x)) def (b) G"(x)H(G(x))||H(G(x)) def (c) G" (x)G(x)||H(G(x))
2. (PRGS) Let G : {0, 1}" → {0, 1}2 be a PRG and let H: {0,1}²n → {0, 1}" be a collision resistant hash function. Argue whether each of the following candidates is or is not a secure PRG.| def (a) G'(x) G(H(x||x)) def (b) G"(x)H(G(x))||H(G(x)) def (c) G" (x)G(x)||H(G(x))
Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter4: Eigenvalues And Eigenvectors
Section4.6: Applications And The Perron-frobenius Theorem
Problem 17EQ
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Please do not rely too much on chatgpt, because its answer may be wrong. Please consider it carefully and give your own answer. You can borrow ideas from gpt, but please do not believe its answer.Very very grateful!Please do not rely too much on chatgpt, because its answer may be wrong. Please consider it carefully and give your own answer. You can borrow ideas from gpt, but please do not believe its answer.
Very very grateful!
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