Question: [4] You have a hash function H with an output of N = 10^20 . You want to construct two values x1 and x2 such

[4] You have a hash function H with an output of N = 10^20 . You want to construct two values x1 and x2 such that H(x1) = H(x2) using the birthday attack and would like the probability of achieving this to be at least 90%. How many samples r should you take?

[4] You have a hash function H with an output 01' N = 1020. You want to construct two values :51 and {132 such that H(:I:1) = H(:1:2) using the birthday attack and would like the probability of achieving this to be at least 90%. How many samples 1' should you take

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