1. The registers ‘a’ and ‘e’ involve a) Permutation and substitution both b) Only Permutation c) Only substitution d) Don’t undergo any operations AnswerAnswer: c [Reason:] The registers ‘a’ and ‘e’ undergo substitution and not permutation. 2. In SHA-512, W16 is dependent on a) W0,W3,W7,W13 b) W3,W7,W11,W15 c) W0,W1,W9,W14 d) W0,W1,W10,W13 AnswerAnswer: c [Reason:] W…