Develop a single program using any programming language that: Encrypts and decrypts a message using the Cesar’s The user encrypting the message is prompted to enter a message and then a key that indicates the displacement. The user decrypting the message is prompted to enter the encrypted message and the key.
Cryptographic Tools Question 1 One-time pad (OTP) encryption is provably secure. It would be expected that an unbreak- able encryption method would be highly desirable yet it is not widely used. Describe what makes OTP hard to use in practice. Question 2 Comparing secret-key and public-key encryption, what is the main advantage that the latter […]