RSA and Public-Key Cryptography Fundamentals

Modern digital security relies on robust mathematical foundations to safeguard sensitive communication and data exchange. This text-based course demystifies the core concepts of symmetric and asymmetric cryptography, with a detailed focus on the mechanics of the RSA algorithm. What you will learn: Understand fundamental security terminology and the distinction between secret-key and public-key systems; Learn the role of prime numbers and probabilistic primality testing in cryptographic key generation; Master the mathematical mechanics of RSA key pair generation, encryption, and decryption; Apply secure padding standards and explore the principles behind digital signatures; Explore modern best practices for key lifecycle management and cryptographic defense. The reading material begins with core definitions and modular arithmetic before advancing through prime generation techniques and practical RSA workflows. This course is designed for beginners in computer science and cybersecurity with no prior cryptography experience required. Begin reading today to establish a solid foundation in cryptographic algorithms.