Build a Certificate Authority with Python

Understanding how digital certificates secure the internet is essential for modern developers, yet the underlying Public Key Infrastructure (PKI) often feels like a black box. This course demystifies the process by guiding you through the mechanics of building your own programmatic Certificate Authority. You will transition from understanding basic cryptographic concepts to writing clean, modern Python code that generates secure keys, structures certificate signing requests, and signs certificates. By exploring these processes step-by-step, you will gain a practical, working knowledge of secure communication protocols. What you'll learn: - Understand the foundational concepts of public key cryptography, asymmetric encryption, and digital signatures. - Generate secure private and public keys programmatically using modern Python cryptography libraries. - Create and configure Certificate Signing Requests with custom subject names and attributes. - Implement the signing process to act as your own Certificate Authority and issue digital certificates. - Apply modern security best practices for key management and secure hashing algorithms. The course starts with essential terminology and the core concepts of digital trust before moving into hands-on script writing. You will read clear explanations and study well-structured Python snippets to build your cryptographic tools from scratch. This course is designed for beginner Python developers, system administrators, and security enthusiasts who want to understand certificates from the inside out. No prior cryptography experience is required. Start coding your own cryptographic tools and master the foundations of digital trust today.