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Cryptography Concepts and Applications Explored

Medium is currently hosting a series of articles that delve into the core concepts and practical applications of cryptography. These articles aim to demystify complex topics such as symmetric key cryptography, also known as secret key or private key cryptography, where a single shared key is used for both encryption and decryption. This method is highlighted for its speed and efficiency, making it suitable for bulk data encryption, though it primarily provides confidentiality and requires secure key distribution. The resources available are designed to cater to individuals with varying levels of expertise, offering accessible guides to enhance their understanding of secure communication and cryptographic systems.

The published materials offer detailed explorations of cryptographic techniques, including AES-256 encryption and decryption. AES-256, which stands for Advanced Encryption Standard with a 256-bit key size, is a symmetric encryption algorithm renowned for its high level of security. Articles break down the internal mechanics of AES-256, explaining the rounds of transformation and key expansion involved in the encryption process. These explanations are presented in both technical terms for those with a deeper understanding and in layman's terms to make the concepts accessible to a broader audience.

In addition to theoretical explanations, the Medium articles also showcase the practical applications of cryptography. One example provided is the combination of OSINT (Open Source Intelligence), web, crypto, and forensics techniques in CTF (Capture The Flag) challenges. These challenges offer hands-on experience in applying cryptographic principles to real-world scenarios, such as identifying the final resting place of historical figures through OSINT techniques. The series underscores the importance of mastering cryptography in the evolving landscape of cybersecurity, equipping readers with the knowledge to secure digital communications and protect sensitive information.

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References :
  • medium.com: Understanding AES-256 Encryption and Decryption: A Detailed Guide for All Levels
  • medium.com: Understanding Cryptography: The Art of Secure Communication
  • mraviteja9949.medium.com: Symmetric Key Cryptography
  • medium.com: Zero-knowledge proofs (ZKPs) let a saver prove that funds follow a rule — such as “stay locked for six monthsâ€â€Šâ€” without showing the 
  • medium.com: Article on how cryptographic hash functions actually work.
  • medium.com: Quantum-Resistant Cryptography: Preparing Your Code for Post-Quantum Era
  • medium.com: News story about Demystifying ECC, Web3 Cryptography and Their Evolving Threats
  • medium.com: Hello everyone! I’m a pen tester and today we will discuss about cryptography.
  • renanikeda.medium.com: The Diffie-Hellman Key Exchange is one of the most interesting mathematical techniques to guarantee that both parties share the same…
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