Question 1: 2 marks Select the best answer for each of the followings: I. Cryptanalysis is a process that usually relates to: a) Encryption with a stolen key b) Eneryption with a guessed key c) Decryption with a stolen key d) Decryption with a guessed key 2. In asymmetric cryptography, confidentiality is achieved through encryption with: a) The scnder's public key b) The sender's private key c) The receiver's public key d) The receiver's private key