Cipher: Decrypt and Encrypt, C/C++ Programming

Assignment Help:
You must write a program that can both decrypt and encrypt a single word that is entered by the

user. The initial choice of encryption and decryption is left up to the user. Additionally, the user will enter a value to be utilized when determining how to translate the character.

Decryption: Convert all characters in the word by utilizing the discovered map index

Having trouble with the decryption portion:

¦ Given a character in the word, determine its index in the map string

¦ Add the position to the first character in range of valid characters for a word

? This is the position of the character in the alphabet!

? What is the range of valid characters? Check the validation step. What is the first character in that range?

Related Discussions:- Cipher: Decrypt and Encrypt

Flash my terminal vx670, Flash my terminal vx670 Project Description: ...

Flash my terminal vx670 Project Description: Have VeriFone software need it to communicate with the vx670 through com port 1 it is not talking I'm not sure why have all the r

Padovan stringf, A Padovan string P(n) for a natural number n is defined as...

A Padovan string P(n) for a natural number n is defined as: P(0) = ‘X’ P(1) = ‘Y’ P(2) = ‘Z’ P(n) = P(n-2) + P(n-3), n>2 where + denotes string concatenation.

Call by reference, Call by reference: Arguments to a function can be pa...

Call by reference: Arguments to a function can be passed in two way; one by call by value and other by call by reference.  Call by value is passed either through a constant

Purchasing code signing certificate, Purchasing Code Signing Certificate ...

Purchasing Code Signing Certificate I want to purchase a Code Signing Certificate in good standing from someone in order to sign my .EXE programs with. Please be aware I do n

Define bit fields, Define Bit Fields Bit Fields permits the packing of ...

Define Bit Fields Bit Fields permits the packing of data in a structure. This is particularly useful when memory or data storage is at a premium. Usual examples: Packing

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd