Reference no: EM13693779
Can you provide the answer of this question?
Question: The field of cryptography concerns methods for per-forming encryption, which takes a message, called the plaintext, and converts it into a scrambled message, called the ciphertext.
The reverse process of decryption takes the ciphertext and converts it back into the plaintext.
One of the earliest encryption schemes is the Caesar cipher, named after Julius Caesar, who used it to protect military communications.
The Caesar cipher works by replacing each letter in the plaintext with the letter that comes three letters after it in the alphabet for that language. In English, each 'A' would be replaced with 'D', each 'B' with 'E', and so on up to 'W', which is replaced by 'Z'.
Then we "wrap around", replacing 'X' with 'A', 'Y' with 'B', and 'Z' with 'C'. These rules apply for lower case letters as well.
Punctuation and spaces are not changed. Write a program to encrypt messages using the Caesar cypher. The input is a single line containing letters of either case, punctuation, and spaces.
The output is a single line containing the ciphertext. For example, if the input is Attack at dawn! then the output should be Dwwdfn dw gdzq!
Can you answer this problem using basic computer networking concepts and securities.
I'm not sure how to solve the question. Can anyone help me?
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