Applied Cryptography

RSA encryption is a cornerstone of modern cybersecurity, providing robust protection for data transmission across the internet. Central to RSA’s security is the difficulty of factoring large numbers, a challenge that has spurred numerous RSA factoring competitions over the years. This article explores the purpose of RSA factoring challenges, highlights key milestones, discusses the largest […]

RSA security is a fundamental component of modern cybersecurity, providing robust mechanisms for secure data transmission and encryption. Rooted in public-key cryptography, RSA (Rivest-Shamir-Adleman) ensures that sensitive information remains confidential and tamper-proof. This article delves into the essentials of RSA security, drawing insights from Read Martin’s Chapter 5: Public-key Encryption, Section 5.2.3, and offers practical

RSA encryption, a cornerstone of modern cybersecurity, enables secure data transmission over untrusted networks. Based on principles of modular arithmetic and prime factorization, RSA provides a method for encrypting and decrypting data with a pair of keys – one public and one private. This article explores RSA encryption and decryption in depth, following insights from

RSA encryption is a powerful tool for securing communications, and understanding its intricacies is essential for any cybersecurity professional. This tutorial delves into the fundamental aspects of RSA encryption and decryption, from setting up keys to encrypting and decrypting messages effectively. Understanding RSA Encryption and Decryption Before diving into encryption, it’s crucial to understand how

Introduction to RSA Key Pair Setup Setting up an RSA key pair is a foundational skill in cybersecurity, essential for enabling secure, encrypted communication. This guide will walk you through each step of the RSA setup process, drawing from Martin’s Chapter 5: Public-key encryption, Section 5.2.1 to provide a solid foundation. This tutorial also considers

Introduction to RSA Key Pair Setup RSA is one of the most widely used public-key encryption algorithms, ensuring data security in online communication. This guide breaks down RSA key pair setup, making it accessible to everyone, even those with non-technical backgrounds. Here, we treat RSA as a “black box,” allowing you to understand its purpose

Introduction to One-Way Functions In the realm of cybersecurity, one-way functions are pivotal in safeguarding data and ensuring secure communications. These mathematical constructs are foundational to various cryptographic protocols, including public-key encryption. Drawing insights from Martin’s Chapter 5: Public-key Encryption, Section 5.1.3 to the end of Section 5.1.4, this tutorial delves into the essence of

Introduction to CTR Mode In the ever-evolving landscape of cybersecurity, understanding various encryption modes is crucial for protecting sensitive data. CTR (Counter) mode is a widely adopted method in symmetric encryption that transforms block ciphers into stream ciphers, offering both flexibility and high performance. This tutorial delves into the intricacies of CTR mode, drawing insights

Introduction to Public-Key Encryption In the realm of cybersecurity, the need for secure and efficient communication has never been more critical. Public-key encryption, also known as asymmetric encryption, stands as a cornerstone technology that addresses the limitations of traditional symmetric encryption methods. This article delves into the motivation behind public-key encryption, drawing insights from Martin’s

Introduction to Encryption Modes In the field of cybersecurity, understanding the various modes of operation for encryption algorithms is crucial for implementing robust data protection strategies. While ECB (Electronic Code Book), CBC (Cipher Block Chaining), and CTR (Counter) modes are widely recognized, numerous other modes offer specialized functionalities and enhanced security features. This article explores