QII.1 Suppose we use key pair K1, K2 (public key and private key) for encryption and key pair K3, K4 (public key and private key) for the digital signature What are the advantages and disadvantages in the following cases A. K1 and K2 are the same as K3 and K4 Advantage Disadvantage B. K1 and K2 are different than K3 and K4 Advantage Disadvantage

Problem 1 - hashing we would like to use initials to locate an individual. for instance, mel should locate the person mark e. lehr. note: this is all upper case. generate a hash function for the above using the numbers on your telephone. you know, each letter has a number associated with it, so examine your telephone keypad. generate 512 random 3 letter initials and take statistics on a linked list array size 512 to hold this information report how many have no elements, 1 element, 2 elements, does this agree with the hashing statistics distribution?

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