QryptoCore/documentation.html at main · Coding-with-Akrash/QryptoCore · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
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    <title>QryptoCore Documentation</title>
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</head>
<body>
    <div class="container">
        <div class="lock-icon">🔒</div>

        <h1>
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            QryptoCore Documentation
        </h1>

        <h2>Overview</h2>
        <p>QryptoCore is a comprehensive encryption/decryption tool that supports multiple classical and modern cipher algorithms. The application provides a user-friendly interface for securing sensitive information using various cryptographic techniques.</p>

        <div class="warning">
            <strong>Important:</strong> This documentation file is protected against modifications. Any attempt to edit or copy content will be prevented.
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        <h2>Features</h2>
        <ul class="feature-list">
            <li>Multiple cipher algorithms supported</li>
            <li>Modern GUI with theme customization</li>
            <li>Encryption/decryption history tracking</li>
            <li>File operations (open/save)</li>
            <li>Key generation for supported ciphers</li>
            <li>Responsive design with adjustable font sizes</li>
            <li>Three visual themes (Dark, Light, Tech)</li>
            <li>Splash screen on startup</li>
            <li>Status bar with operation feedback</li>
        </ul>

        <h2>Supported Ciphers</h2>
        <p>QryptoCore implements the following encryption algorithms:</p>

        <h3>Symmetric Key Ciphers</h3>
        <ul>
            <li><strong>AES</strong> (Advanced Encryption Standard) - 256-bit key</li>
            <li><strong>DES3</strong> (Triple Data Encryption Standard) - 168-bit key</li>
        </ul>

        <h3>Classical Ciphers</h3>
        <ul>
            <li><strong>Caesar Cipher</strong> - Simple substitution cipher</li>
            <li><strong>Vigenère Cipher</strong> - Polyalphabetic substitution</li>
            <li><strong>One-Time Pad</strong> - Unbreakable when used correctly</li>
            <li><strong>Atbash Cipher</strong> - Hebrew substitution cipher</li>
            <li><strong>Rail Fence Cipher</strong> - Transposition cipher</li>
        </ul>

        <h2>Usage</h2>
        <p>To use QryptoCore:</p>
        <ol>
            <li>Select the appropriate tab (Encrypt/Decrypt)</li>
            <li>Enter your text or load from a file</li>
            <li>Select the cipher algorithm</li>
            <li>Enter or generate an encryption key</li>
            <li>Click the Encrypt/Decrypt button</li>
            <li>View results and optionally save to file</li>
        </ol>

        <h2>Technical Details</h2>
        <p>The application is built with:</p>
        <ul>
            <li>Python 3.x</li>
            <li>Tkinter for the GUI</li>
            <li>PyCryptodome for cryptographic functions</li>
            <li>Pillow for image handling</li>
        </ul>

        <h3>Key Generation</h3>
        <p>Keys are generated differently for each cipher:</p>
        <pre>
- AES: 32-byte random key (Base64 encoded)
- DES3: 24-byte random key (Base64 encoded)
- Caesar: Random integer between 1-25
- Vigenère/OTP: Random 16-character lowercase string
- Atbash/Rail Fence: No key required</pre>

        <div class="author-info">
            <h3>Developer Information</h3>
            <p><strong>Name:</strong> Akrash Noor</p>
            <p><strong>Contact:</strong> akrashnoor2580@gmail.com</p>
            <p><strong>Version:</strong> 1.1.5</p>
            <p><strong>Date:</strong> 22/07/2025</p>
            <p><strong>License:</strong> Proprietary</p>
            <p><strong>Copyright:</strong> © 2025 QryptoCore. All rights reserved.</p>
        </div>
    </div>

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