Let’s break down how a browser validates an SSL certificate when you visit a website with a certificate issued by an Intermediate Certificate Authority (ICA) signed by a trusted Root Certificate Authority (CA). 1....
Imagine there’s a Central Authority (Root CA) in a vast country that issues official licenses for secure communication. This Central Authority is highly reputable, but it’s too prestigious and busy to deal with every...
To understand the role of Intermediate CAs (ICAs) and the trust chain, think of it as a hierarchical authority delegation system, similar to a government issuing documents: Analogy: Imagine a country’s Supreme Government issues...
Details on CA List and Public Keys in Browsers
How a Website Owner Generates and Uses SSL/TLS Certificates 1. Generating the Certificate 2. Storing the Certificate and Private Key 3. Configuring the Web Server 4. Browser Verification of the Certificate 5. Encrypting and Decrypting Data Summary This process...
In certificate pinning, the client maintains a list of valid certificate fingerprints (or hashes) that are compared against the server’s certificate during the TLS handshake to ensure its authenticity. Below is a simple example...
Introduction In modern secure systems, digital signatures are critical for ensuring data authenticity and integrity. This guide will walk you through the steps to: 1. Generating the Private and Public Keys To begin, you...
Logging is a crucial part of any Java application, providing valuable insights into the behavior and performance of the system. SLF4J (Simple Logging Facade for Java) is a popular logging facade that allows developers...
In modern cloud-native application development, it’s essential to understand the environment where your application is running, especially when working with container orchestration platforms like Kubernetes. Platforms such as EKS (Amazon Elastic Kubernetes Service), GKE...
High-Level System Design of a URL Shortener 1. Overview A URL shortener is a system that takes a long URL and generates a shorter, unique alias. When users visit the short URL, they are...