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# Let E : {0, 1}Î» Ã— {0, 1}b â†’ {0,1}b be a block cipher. Assume Î» = b. Consider thefollowing compression function:f(x, y) = E(x, x âŠ• y) âŠ• ...

## Question

###### Let E : {0, 1}Î» Ã— {0, 1}b â†’ {0,1}b be a block cipher. Assume Î» = b. Consider thefollowing compression function:f(x, y) = E(x, x âŠ• y) âŠ• x .Is f collision-resistant? For your answer either provide a proofthat it is indeed collision-resistant or find a collision.

Let E : {0, 1}Î» Ã— {0, 1}b â†’ {0, 1}b be a block cipher. Assume Î» = b. Consider the following compression function: f(x, y) = E(x, x âŠ• y) âŠ• x . Is f collision-resistant? For your answer either provide a proof that it is indeed collision-resistant or find a collision. #### Similar Solved Questions

##### 102uExercise 2. Show that f Z is a standard normal random variable then Z? has the Chi-square distribution with one degree of freedom:Exercise 3. Suppose X U(0,1) and Y ~Alog(X), for a constant 4> Show that Y has the exponential distribution.
102u Exercise 2. Show that f Z is a standard normal random variable then Z? has the Chi-square distribution with one degree of freedom: Exercise 3. Suppose X U(0,1) and Y ~Alog(X), for a constant 4> Show that Y has the exponential distribution....
##### The owner of a large car dealership believes that the closing of two local businesses has decreased the number of customers visiting her dealership The dealership has historically had 800 customers per day: She decides to test the null hypothesis that the average number of customers is at least 800 vs. the alternative hypothesis that the average number of customers is less than 800.The owner takes a sample of 100 days and finds the average number of customers visiting the dealership per day was
The owner of a large car dealership believes that the closing of two local businesses has decreased the number of customers visiting her dealership The dealership has historically had 800 customers per day: She decides to test the null hypothesis that the average number of customers is at least 800 ...