- Cryptanalysis refers to the process of - The strategy of cryptanalysis depends on and - An encryption scheme is computationally secure if the ciphertext meets one or both of the following two criteria: (1) . (2) 2- State the Kerckhoff's Principle? 3- State the three misconceptions about public-key cryptography? 4- State three different applications of Public-key cryptography? 5. Using the following figure, explain the Data Encryption Standard (DES) Symmetric-key Encryption Algorithm? 6- Using the following figure, explain the three main components of the given security system? 7- Using the following figure, explain the four basic security tasks of the given security system? 8- Draw and explain the Sub-key Generation process of Data Encryption Standard (DES) Symmetric-key Encryption Algorithm