Licify - Java License Management Library

Description

Licify is a robust Java library for software license management, providing advanced functionalities of hybrid encryption, digital signatures, hardware validation, and multiple serialization formats.

Current Status

• ✅ Tests: 27/27 passing (100% success)
• ✅ Compilation: BUILD SUCCESS
• ✅ Coverage: JaCoCo reports generated
• ✅ GitHub: Repository synchronized

Main Features

🔒 Hybrid Encryption

• Combination of symmetric (AES) and asymmetric (RSA) algorithms
• Flexible security parameter configuration
• Support for multiple key sizes

✍️ Digital Signatures

• Cryptographic integrity validation
• Customizable algorithm configuration
• Automatic authenticity verification

🖥️ Hardware Identification

• License binding to specific hardware
• Multiple hardware components analyzed
• Hardware configuration backup

📝 Multiple Formats

• BINARY: For maximum efficiency
• STRING: For human readability
• XML: For interoperability
• PROPERTIES: For configuration

🧬 Seed Generation

• Deterministic cryptographic seeds
• Multiple hash algorithms (SHA-256/384/512)
• System entropy included

Project Structure

Licify/
├── src/
│   ├── main/java/com/licify/
│   │   ├── Licify.java              # Main API
│   │   ├── LicenseKeyPair.java      # Key management
│   │   ├── SeedGenerator.java       # Cryptographic seeds
│   │   ├── core/                    # Core functionalities
│   │   ├── encryption/              # Hybrid encryption
│   │   ├── signing/                 # Digital signatures
│   │   ├── hardware/                # HW identification
│   │   ├── io/                      # I/O formats
│   │   ├── util/                    # Utilities
│   │   └── exception/               # Exceptions
│   └── test/java/com/licify/
│       └── LicifyTest.java          # Test suite
├── target/                          # Compiled files
├── pom.xml                          # Maven configuration
└── module-info.java                 # Module definition

Quick Start

Prerequisites

• Java 17 or higher
• Maven 3.8 or higher

Compilation

mvn clean compile

Test Execution

mvn test

Build and Tests

mvn clean install

Usage Examples

Create a License

Licify licify = new Licify();

// Create basic license
License license = licify.createLicense()
    .withProductName("My Product")
    .withVersion("1.0.0")
    .withUserId("user123")
    .withExpiryDate(LocalDateTime.now().plusYears(1))
    .build();

// Save license
licify.saveLicense(license, "my_license.lic", IOFormat.BINARY);

Validate a License

License license = licify.loadLicense("my_license.lic", IOFormat.BINARY);
ValidationResult result = licify.validateLicense(license);
if (result.isValid()) {
    System.out.println("Valid license");
} else {
    System.out.println("Invalid license: " + result.getErrors());
}

Encrypt Data

HybridEncryptionResult result = licify.encryptData("sensitive data");
String encryptedData = result.getEncryptedData();
String decryptionKey = result.getDecryptionKey();

Tests and Quality

Test Coverage

• Total: 27 tests
• Success: 27 tests
• Failures: 0 tests
• Time: 6.559s

Generated Reports

• target/surefire-reports/ - Test reports
• target/site/jacoco/ - HTML coverage analysis
• target/jacoco.exec - Execution data

Maven Configuration

Dependency

<dependency>
    <groupId>com.licify</groupId>
    <artifactId>licify</artifactId>
    <version>1.0.0</version>
</dependency>

Configured Plugins

• Maven Compiler Plugin: Java 17
• Maven Surefire Plugin: Test execution
• JaCoCo Plugin: Coverage analysis
• Maven JAR Plugin: Packaging

Recent Fixes

Test testGenerateSeed

• ✅ Fixed: Validation of cryptographic seeds instead of plain text
• Impact: Tests now validate appropriate cryptographic properties

Test testSaveAndLoadString

• ✅ Fixed: NoSuchFileException elimination
• Solution: Changed from Files.write() to FileOutputStream + BufferedWriter
• Impact: STRING format now works correctly

Available Assets

1. Licify-Fuente-Completo.zip - Complete source code with fixes
2. Licify-Codigo-Java.zip - Java code only and essential configuration
3. Licify-Dependencias-Compiladas.zip - Compiled files and reports
4. ASSETS-DOCUMENTACION.md - Complete assets documentation

Repository

• GitHub: https://github.com/yasmramos/Licify
• Status: Synchronized with latest fixes

License

Open source project for educational and development purposes.

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Developed by yasmramos - Java project developer specializing in license management systems