40 Algorithms Every Programmer Should Know

Understanding the Security Requirements

It is important to first understand the exact security needs of a system. Understanding this will help us use the correct cryptographic technique and discover the potential loopholes in a system. In order to do this, we first need to better understand the needs of the system. In order to understand the security requirements, we perform the following three steps:

• Identify the entities.

• Establish the security goals.

• Understand the sensitivity of the data.

Let's look at these steps one by one.