{"repo":"SyedShaheerHussain/Digital-Signature-Authentication-Based-File-Authentication-GUI","free":true,"listed":false,"github":"https://github.com/SyedShaheerHussain/Digital-Signature-Authentication-Based-File-Authentication-GUI","clone":"git clone https://github.com/SyedShaheerHussain/Digital-Signature-Authentication-Based-File-Authentication-GUI.git","description":"Digitally signs and verifies files using RSA and SHA-256 to ensure file authenticity, integrity, and tamper detection.","language":"Python","stars":18,"topics":["authentication","authenticity","cybersecurity","cybersecurity-tools","detection","digital-signature","integrity","python","rsa","rsa-algorithm"],"license":"MIT","category":"auth-billing-email","readme_excerpt":"🔐 Digital Signature Authentication Digital Signature–Based File Authentication System Digitally signs and verifies files using RSA and SHA-256 to ensure file authenticity, integrity, and tamper detection. Developed by © 2026 Syed Shaheer Hussain 📸 Screenshots 📌 1. Project Description (Overview) The Digital Signature–Based File Authentication System is a Python-based desktop application designed to ensure file integrity, authenticity, and non-repudiation using modern cryptographic techniques. This system allows users to digitally sign files using RSA private keys and later verify those files using corresponding public keys or X.509 certificates . Any modification to the file after signing is immediately detected during verification. This project demonstrates a real-world implementation of cryptography , commonly used in secure communications, legal documents, banking systems, and cybersecurity applications. 🎯 2. Project Objectives 1. Ensure file integrity and tamper detection 2. Authenticate the file owner using cryptographic keys 3. Implement RSA-based digital signatures 4. Support X.509 digital certificates 5. Provide an easy-to-use graphical interface 6. Demonstrate practical cybersecurity concepts 7. Enable secure file exchange and verification ❓ 3. What Is a Digital Signature? 📖 Definition A digital signature is a cryptographic mechanism that validates the authenticity and integrity of digital data. 🧠 In Simple Terms A digital signature is like a digital fingerprint","default_branch":null,"files":null,"tree":[],"storefront":"/r/SyedShaheerHussain","claimed":false,"request_supported":{"post":"https://gitbuyer.com/r/SyedShaheerHussain/Digital-Signature-Authentication-Based-File-Authentication-GUI/request-supported","requests":0},"note":"indexed from public GitHub; nothing is for sale on this page. Clone it from GitHub. Paid listings live at /search."}