GCrypt

Advanced File Encryption Suite with Modern Cyberpunk Interface

Beta Version 1.0

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           Developed By D3F417 (GuardIran.org)
                    Beta Version 1.0
     Advanced File Encryption Tool with Modern UI

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🔒 Technical Specifications

Encryption Algorithms

AES-256-GCM (Primary Recommendation)

• Key Size: 256 bits
• Block Size: 128 bits
• Mode: Galois/Counter Mode (GCM)
• Authentication: Built-in AEAD
• IV Size: 96 bits (12 bytes)
• Tag Size: 128 bits (16 bytes)
• Performance: ~3.5 GB/s on modern CPUs

ChaCha20-Poly1305

• Key Size: 256 bits
• Nonce: 96 bits
• MAC: Poly1305 (128 bits)
• Performance: ~1.5 GB/s on ARM devices
• Ideal for mobile/low-power devices

AES Variants

• CBC Mode:
  • IV Size: 128 bits
  • Padding: PKCS7
  • Block Operation: Chained
• CFB Mode:
  • Stream-like operation
  • No padding required
  • Real-time encryption
• OFB Mode:
  • Pre-generated keystream
  • Error non-propagation
  • Synchronous operation

Camellia-256

• Key Size: 256 bits
• Block Size: 128 bits
• Rounds: 24
• Security Level: Equivalent to AES-256

Compression Methods

ZLIB

• Algorithm: DEFLATE
• Dictionary Size: 32 KB
• Compression Levels: 1-9
• Level 1: ~150 MB/s, ratio 2:1
• Level 6: ~70 MB/s, ratio 3:1
• Level 9: ~3 MB/s, ratio 4:1

LZMA

• Dictionary Size: Up to 4 GB
• Compression Levels: 1-9
• Level 1: ~80 MB/s, ratio 3:1
• Level 6: ~20 MB/s, ratio 4:1
• Level 9: ~1 MB/s, ratio 5:1

BZ2

• Block Size: 900 KB
• Compression Levels: 1-9
• Level 1: ~60 MB/s, ratio 2:1
• Level 9: ~10 MB/s, ratio 3:1

Security Implementation

Key Derivation

• Algorithm: PBKDF2-HMAC-SHA256
• Iterations: 600,000
• Salt Size: 16 bytes
• Output Key Size: 32 bytes

Secure Deletion

• DoD 5220.22-M Standard
• Passes: 3 minimum, 7 maximum
• Verification: Post-deletion check
• Random Data Source: /dev/urandom

Memory Security

• Secure memory wiping
• Key material zeroing
• Protected memory pages
• Stack cleanup

Performance Metrics

• File Encryption: ~300 MB/s
• Batch Processing: ~200 MB/s
• Hash Calculation: ~500 MB/s
• Compression: Varies by method
• Memory Usage: ~100-500 MB

🚀 Features

🔒 Encryption Algorithms

• AES-256-GCM (recommended)
  • Military-grade encryption
  • Authenticated encryption with associated data (AEAD)
  • Perfect for sensitive data
• AES-256-CBC
  • Traditional block cipher mode
  • Widely supported
• AES-256-CFB
  • Stream cipher-like functionality
  • Real-time encryption capability
• AES-256-OFB
  • Output Feedback mode
  • Resistant to transmission errors
• ChaCha20-Poly1305
  • Modern stream cipher
  • High performance on all platforms
• Camellia-256
  • Alternative to AES
  • ISO/IEC certified

📦 File Compression

• ZLIB: Fast compression with good ratio
• LZMA: High compression ratio
• BZ2: Alternative compression algorithm
• Adjustable compression levels (1-9)

🔑 Password Generator

• Customizable length (8-64 characters)
• Multiple character sets
• Cryptographically secure
• One-click copy functionality

🔍 Hash Checker

• Multiple algorithms:
  • MD5 (not recommended for security)
  • SHA-1
  • SHA-256
  • SHA-512
• File integrity verification
• Hash comparison tool

📊 File Analyzer

• Detailed metadata analysis
• Multiple hash calculations
• Compression ratio analysis
• File type detection
• Size and timestamp information

🔄 Batch Processing

• Multiple file encryption/decryption
• Progress tracking
• Error handling and recovery
• Consistent settings across files

👀 File Monitoring

• Real-time directory monitoring
• Automatic encryption
• Event logging with timestamps
• Customizable monitoring rules

🗑️ Secure File Deletion

• DoD 5220.22-M compliant
• Multiple overwrite passes
• Verification after deletion
• Batch deletion support

💻 Installation

Prerequisites

• Python 3.8 or higher
• 4GB RAM minimum (8GB recommended)
• Operating Systems:
  • Windows 10/11
  • Linux (most distributions)
  • macOS 10.15 or higher

Step-by-Step Installation

1. Clone the repository

git clone https://github.com/Sir-D3F417/GCrypt.git
cd GCrypt

2. Create virtual environment

# Windows
python -m venv venv
venv\Scripts\activate

# Linux/macOS
python3 -m venv venv
source venv/bin/activate

3. Install requirements

pip install -r requirements.txt

4. Run the application

python GCrypt.py

🎯 Quick Start Guide

File Encryption

1. Launch CryptoVault
2. Click "Select File" or drag & drop
3. Enter a strong password
4. Choose encryption algorithm (AES-256-GCM recommended)
5. Enable compression if desired
6. Click "Encrypt"

File Decryption

1. Select encrypted file
2. Enter the correct password
3. Click "Decrypt"
4. Choose output location

Batch Processing

1. Select multiple files
2. Configure settings once
3. Process all files simultaneously

🛡️ Security Features

• Strong Encryption

  • Industry-standard algorithms
  • Secure key derivation (PBKDF2)
  • Random IV generation

• Data Protection

  • Secure memory handling
  • Automatic backup creation
  • File integrity verification

• Best Practices

  • Strong password enforcement
  • Secure deletion options
  • Error recovery mechanisms

🎨 User Interface

Modern Cyberpunk Interface

Click to watch the full demonstration on YouTube

📝 License

This project is licensed under the MIT License - see the LICENSE file for details.

🙏 Acknowledgments

• GuardIran Security Team for development and maintenance
• PyQt6 Team for the GUI framework
• Cryptography.io Team for encryption libraries
• Open source community for various contributions

📞 Contact & Support

• Website: guardiran.org
• GitHub: @d3f417
• Email: info@d3f417.info
• Bug Reports: Issue Tracker

🌟 Star History

Made with 💜 by GuardIran Security Team

© 2025 GuardIran. All rights reserved.