Utilize this statement for the quiz questions: Assume that passwords are selecte

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Utilize this statement for the quiz questions: Assume that passwords are selected from four-character combinations of 26 alphabetic characters. Assume that an adversary is able to attempt passwords at a rate of one per second. D Question 1 6 pts Assuming no feedback to the adversary until each attempt has been completed, what is the maximum number of attempts needed to recover a password? possible combos = Question 2 3 pts Assuming that an adversary gets to know each incorrect character that is entered, what is the expected time to (the attacker gets feedback). Then, the attacker tries B, and it is wrong. C, and it comes to know that it is correct number of attempts the attacker needs to try for every character in the password [recall each password is long 4..max: therefore the mean average- sec

Explanation / Answer

1)There are 26 alphabets and 4 letters so there are 26^4 combo

26^4= 456976 combos

2)answer:given that 4 tries for each digit

T= 4*4 =16sec

mean average= 16/4=4 sec

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