We begin our journey of understanding RSA-cryptosystem with some useful properties of prime numbers. More specifically, we start with valuations,…

Sources: Drapal, part 3.8 Wiki post on Jacobi symbols Theory: Here, we defined Legendre symbols for dealing with quadratic residues…

Sources: Drapal, part 3.2 This wiki post deals with quadratic residues, Legendre symbols and the law of quadratic reciprocity, too.…

This post contains some links I consider useful for learning Number theory. For students of Number theory and RSA course…

The notion of a function (or a mapping, a map for short) is really one of the most fundamental objects…

We already know how to add, subtract, multiply and divide real numbers. But can we do the same with complex…