#encryption-algorithms articles

RCRahul Chaduvulasoftwareconcepts.hashnode.devJun 1 · 6 min read

Understanding Symmetric vs Asymmetric Encryption as a Backend Engineer

While learning networking, I kept hearing terms like: HTTPS TLS SSL certificates Public keys Private keys I understood they were related to security, but I never really understood how encryptio

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HEHarrison Ezeharystyles.hashnode.devFeb 10 · 29 min read

Comprehensive Cryptography Notes for Beginners

Part 1: Encoding and Decoding What is Encoding? Encoding is the process of converting data from one format to another. It's about representation, not security. Think of it like translation: you're changing the language, but the message is still reada...

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LDLakshay Dhoundiyallakshaydhoundiyal.hashnode.devJan 25 · 7 min read

Bitchat: Inside Jack Dorsey’s Offline Messaging Revolution 🚀📱

Imagine sending messages without Wi-Fi, cellular data, or even the internet. Sounds futuristic, right? Yet Jack Dorsey, co-founder of Twitter, has turned that vision into reality with Bitchat, a cutting-edge offline messaging app designed for privacy...

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RCRedeaux Corporationblog.redeaux.coDec 16, 2025 · 22 min read

Vortex Mathematics Engine (VME)

1. Introduction: The vision behind VME. For centuries, mathematics has been fragmented. We have separate systems for numerical computing, symbolic algebra, machine learning, theoretical physics, and pure mathematics research. A physicist studying str...

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SBShruthi Bhagawanryqtor.hashnode.devJul 3, 2025 · 9 min read

Beyond Encryption: How FHE, SMPC, ZKPs, and TEEs Actually Work in Practice

Introduction Most people think encryption ends at locking data away from attackers. But in reality, today's biggest challenge is not just protecting data at rest, but using it securely while keeping it private. That is where advanced privacy-preservi...

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AYAnkit Yadavheyankit.hashnode.devJun 25, 2025 · 3 min read

File Encryptor using TEA (Tiny Encryption Algorithm)

GitHub Repo: https://github.com/ydv-ankit/file-encryptor Features TEA Encryption/Decryption: Full implementation of the Tiny Encryption Algorithm File-based Operations: Encrypt and decrypt entire files Custom Key Support: Use your own key files (c...

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PPrajwalsprajwal.hashnode.devJun 13, 2025 · 7 min read

🔐 How to Encrypt and Decrypt Messages and Files in Java using AES

In a world where data security is more crucial than ever, understanding encryption is not just a “developer nice-to-have”—it’s a must. Whether you're working on a personal project, a fintech app, or a medical records platform, securing user data shou...

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MJMilan Jovanovićmilanjovanovic.hashnode.devJan 24, 2025 · 5 min read

Implementing AES Encryption With C#

A single exposed API key or database password can compromise your entire infrastructure. Yet many developers still store sensitive data with basic encoding or weak encryption. Properly implemented encryption is your last line of defense. When other s...

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RBRishi Bakshirishibakshi.hashnode.devJan 7, 2025 · 2 min read

HTTP vs. HTTPS: The Starting Point

What is HTTP? HTTP (Hypertext Transfer Protocol) is the foundational protocol used to transfer data between a browser and a server. However, it lacks encryption, which makes it highly insecure. Any data transmitted over HTTP can be intercepted and re...

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RSRomman Sabbirrommansabbir.comNov 2, 2024 · 5 min read

Secure User Authentication in Android: A Comprehensive Guide [PART 2]

User authentication is one of the most critical security aspects of any mobile application. Implementing secure authentication methods ensures that users’ data and accounts are protected from unauthorized access. In this article, we will dive deep in...

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Understanding Symmetric vs Asymmetric Encryption as a Backend Engineer

Comprehensive Cryptography Notes for Beginners