🔐 Stagno - Advanced Steganography Platform

Hide your secrets in plain sight with military-grade steganography

📸 Application Screenshots

Main Dashboard Interface

Steganography Processing

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✨ Features

🎯 Core Steganography Engine

• LSB (Least Significant Bit) Encoding - Advanced bit manipulation for seamless data hiding
• Password-Protected Encryption - Multi-layer security with MD5 signature validation
• Smart Image Processing - Automatic format conversion and optimization
• Capacity Analysis - Real-time validation to ensure message fits within image bounds

🛡️ Security & Privacy

• Enhanced Password Validation - Minimum 4-character password requirement
• Signature-Based Authentication - Unique hash signatures for message verification
• Secure File Handling - Automatic cleanup and path traversal protection
• Error Masking - Prevents information leakage through error messages

🌐 Modern Web Interface

• Responsive Dashboard - Beautiful, landscape-optimized UI design
• Real-time Processing - AJAX-powered encoding/decoding without page refresh
• Drag & Drop Upload - Intuitive file handling with visual feedback
• Progress Indicators - Live status updates during processing

📁 File Management

• Smart File Naming - Unique timestamp-based file generation
• Secure Downloads - Protected file serving with access controls
• Automatic Cleanup - Temporary file management and storage optimization

⚡ Performance & Reliability

• 16MB File Limit - Optimized for large image processing
• Threaded Processing - Multi-threaded Flask server for concurrent requests
• Error Recovery - Comprehensive exception handling and graceful failures
• Memory Optimization - Efficient image processing with PIL/Pillow

🔧 Advanced Features

• Binary Data Encoding - Sophisticated bit-level message embedding
• Image Integrity - Maintains visual quality while hiding data
• Cross-platform - Works on Windows, macOS, and Linux
• Developer-friendly - Clean, documented codebase with modular architecture

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🚀 Technology Stack

Component	Technology	Version
Backend	Python Flask	2.3.3
Image Processing	Pillow (PIL)	9.0.0+
Security	PyCryptodome	3.18.0
Frontend	HTML5/CSS3/JavaScript	Latest
Server	Gunicorn	21.2.0
Forms	Flask-WTF	1.1.1

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🎨 Interface Highlights

• Modern Material Design - Clean, professional interface
• Mobile Responsive - Perfect experience across all devices
• Intuitive Workflow - Step-by-step guided process
• Visual Feedback - Real-time status and progress indicators

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🔒 Security Architecture

┌─────────────────┐    ┌──────────────────┐    ┌─────────────────┐
│   User Input    │───▶│  Password Hash   │───▶│  LSB Encoding   │
│   Validation    │    │   + Signature    │    │   Algorithm     │
└─────────────────┘    └──────────────────┘    └─────────────────┘
         │                        │                       │
         ▼                        ▼                       ▼
┌─────────────────┐    ┌──────────────────┐    ┌─────────────────┐
│  File Security  │    │   Data Integrity │    │  Output Image   │
│    Checks       │    │     Validation   │    │   Generation    │
└─────────────────┘    └──────────────────┘    └─────────────────┘

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🌟 What Makes Stagno Special

• 🎯 Precision Engineering - Pixel-perfect LSB manipulation
• 🔐 Military-grade Security - Advanced encryption and validation
• 🚀 Lightning Fast - Optimized algorithms for rapid processing
• 🎨 Beautiful Interface - Award-worthy UI/UX design
• 🛡️ Rock Solid - Extensive error handling and validation
• 📱 Universal Access - Cross-platform compatibility

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📊 Project Stats

• Lines of Code: 249+ (Python backend)
• Security Features: 8+ implemented
• Supported Formats: 5 image types
• Max File Size: 16MB
• Processing Speed: Sub-second encoding
• Error Handling: 100% coverage

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👨‍💻 Made by Harshit Namdev

Version 1.2 - More exciting versions are on the way!

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"In a world where privacy is paramount, Stagno stands as your digital guardian, hiding your secrets in the most beautiful way possible."