Mathematical tools required to understand the algorithm
	Modulo Arithmetic (Lecture 1)	00:00:00
	Congruence Modulo(lecture 2)	00:00:00
	Properties of congruence	00:00:00
	Properties of the Euler totient function	00:08:00
	Proving divisibility using modular arithmetic	00:05:00
	Problems for finding remainders	00:00:00
	Another interesting problem in congruence	00:05:00
Introduction
	Euler totient function	00:10:00
	Idea of encryption and decryption to send data	00:08:00