VeriDoc

Team Members:

1.Satyam Rathor(22bec042)

2.Aditya Roushan(22bec003)

3.Pratush Rai(22bec035)

4.Ansh Goyal(22bcs014)

Introduction

VeriDoc is a secure, scalable document verification system designed to verify the integrity of files using advanced cryptographic algorithms. It employs digital signatures, SHA-256, and RSA algorithms to ensure data authenticity and integrity.

• Backend: Built with Python for cryptographic operations and API management.
• Frontend: Developed using Next.js with Tailwind CSS and Redux Toolkit for state management.
• Storage and Authentication: Utilizes Firebase for file storage and user authentication.
• Deployment: Docker ensures seamless scalability and deployment.

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Tech Stack

• Frontend:

  • Next.js
  • Tailwind CSS
  • Redux Toolkit
  • Firebase Authentication

• Backend:

  • Python

• Cryptography:

  • SHA-256 (Hashing)
  • RSA (Key Generation & Digital Signatures)

• Storage:

  • Firebase

• Containerization:

  • Docker

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Features

Core Features

• Secure File Upload: Users can upload files securely to Firebase.
• Cryptographic Verification: Ensures document integrity using SHA-256 hashing and RSA-based digital signatures.
• File Integrity Check: Compares uploaded files to detect any alterations.
• File Reference and Comparison: Allows users to upload a new file and compare it against previously stored versions.
• User Authentication: Secure login and registration via Firebase Authentication.

Cryptographic Operations

• Signing: Creates a digital signature for the provided message.
• Hashing: Generates a SHA-256 hash of the data.
• Verification: Validates data integrity using the hash and digital signature.

Deployment

• Dockerized Deployment: Streamlined deployment and enhanced scalability using Docker.

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API Endpoints

• POST /api/extract-text-from-pdf
  Extracts text from a PDF file.

• POST /api/sign
  Signs a message. Takes an input message and returns:

  • Message
  • Message Hash
  • Public Key
  • Digital Signature

• POST /api/verify
  Verifies the integrity of a message by comparing its hash with the digital signature.

  • Returns: true if valid, otherwise false.

• POST /api/hash
  Hashes the provided data using SHA-256 and returns the hash value.

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Source Code

Access the source code on GitHub:
VeriDoc Repository

Live Demo

Try it live:
VeriDoc Live Application

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License

This project is licensed under the MIT License.