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

🔒 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

Clone the repository

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

Create virtual environment

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

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

Install requirements

pip install -r requirements.txt

Run the application

python GCrypt.py

🎯 Quick Start Guide

File Encryption

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

File Decryption

Select encrypted file
Enter the correct password
Click "Decrypt"
Choose output location

Batch Processing

Select multiple files
Configure settings once
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

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