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make a code  used mathlab if possible  please dont uses if or return keep it basic

make a code  used mathlab if possible  please dont uses if or return keep it basic

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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make a code 

used mathlab if possible 

please dont uses if or return keep it basic 

(Basic ASCII Cacsar Cipher) A very ancient cryptographic technique for hiding a message was to use a Caesar Cipher where each letter of a message is shifted down the alphabet (i.c. towards later letters) by a fixed amount. Normally, if a letter falls off the end of the alphabet it should wrap back onto the beginning. For this problem, we will consider a very basic implementation of such a cipher, were we do not worry about this wrapping. basic_caesar Function: Input variables: • a string representing the message to be encoded • a scalar representing the "key" (the amount to shift by) Output variables: • a string representing the encoded message (note: you will have to force the result of your computations to be a character string by using the function char( ) applied to your resulting message) A possible sample case is: > ciphertext = basic_caesar('MATHRULES’, 6) ciphertext = SGZNX[RKY
Transcribed Image Text:(Basic ASCII Cacsar Cipher) A very ancient cryptographic technique for hiding a message was to use a Caesar Cipher where each letter of a message is shifted down the alphabet (i.c. towards later letters) by a fixed amount. Normally, if a letter falls off the end of the alphabet it should wrap back onto the beginning. For this problem, we will consider a very basic implementation of such a cipher, were we do not worry about this wrapping. basic_caesar Function: Input variables: • a string representing the message to be encoded • a scalar representing the "key" (the amount to shift by) Output variables: • a string representing the encoded message (note: you will have to force the result of your computations to be a character string by using the function char( ) applied to your resulting message) A possible sample case is: > ciphertext = basic_caesar('MATHRULES’, 6) ciphertext = SGZNX[RKY
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