Sending secret messages to your friends is fun, but today it’s so simple that you don’t even notice it anymore: practically any serious messaging system features encryption of some sort. To teach his ...

Sending secret messages to your friends is fun, but today it’s so simple that you don’t even notice it anymore: practically any serious messaging system features encryption of some sort. To teach his ...

Learn how to implement a classic substitution cipher in C! This step-by-step tutorial walks you through encoding and decoding messages by replacing each letter with another according to a fixed key. A ...

This course covers the basic knowledge in understanding and using cryptography. The main focus is on definitions, theoretical foundations, and rigorous proofs of security, with some programming ...

So, as part of my punishment homework for an online C class, I have to write a program that solves this assignment: "Your application should read the four-digit integer entered by the user and encrypt ...

Recent years have witnessed widespread use of computers and their interconnecting networks. This demands additional computer security and privacy measures to protect the information and relevant ...