QUESTION 1 Suppose Alice wants to communicate confidentially with Bob using asymmetric cryptography. Alice should encrypt the message to Bob using which of the following keys? Bob's private key Alice's public key Bob's public key Alice's private key QUESTION 2 Suppose the script test.sh has the following p What happens when user student executes test.sh? tmoore@debian:S 1s la test.sh -rwsr-xr-x 1 tm re tas 539 Mar 2 21:09 test.3h The script runs as use tmoore O The script runs as user tas The script runs as root. The script runs as user student QUESTION 3 The primary objective of cryptanalysis is to extract the secret key in order to decrypt ciphertext. O True O False QUESTION 4 In symmetric key cryptography, each user is assigned a public and private key pair O True O False