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Simple Java Example

You can find a pre-made example plugin here: lukittu-java-simple.
This example demonstrates a robust implementation of the Lukittu license verification system for Java applications, specifically built as a Minecraft Bukkit/Spigot plugin.

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Features

• Secure License Verification
  Implements a challenge-response mechanism with cryptographic signature verification using RSA/SHA256.

• Comprehensive Error Handling
  Provides clear, user-friendly messages for various license states and error conditions.

• Heartbeat System
  Periodically validates the license to ensure continued legitimacy.

• Device Identification
  Generates a unique hardware-based identifier to limit installations per license.

• Security Best Practices
  Includes documentation of proper security measures for production-level implementation.