Features:

Feature 1: Generate unique machine IDs for each client PC, with AES-256 encryption for extra security.

Feature 2: Support offline license validation, including local caching and double-layer encryption.

Feature 3: Blueprint-accessible functions for license generation, validation, saving, and loading.

Feature 4: Customizable Key and IV values for project-specific security.

Feature 5: Automatic license verification at startup with remaining days calculation.

Code Modules:

(Only one runtime module for this plugin, but I’ll list in Marketplace style)

MachineAuth (Runtime)

Number of Blueprints:

0 (All functions are exposed as Blueprint-callable C++ methods)

Number of C++ Classes:

1 (AMachineAuthActor)

Network Replicated:

No

Supported Development Platforms:

Windows: Yes

Mac: No (OpenSSL dependency not configured/tested)

Supported Target Build Platforms:

Windows 64-bit

Important/Additional Notes:

This plugin requires OpenSSL support in Unreal Engine (WITH_SSL).

Ensure your Key (32 chars) and IV (16 chars) are securely configured in the Actor’s properties.

Designed for offline licensing only; no online server validation is included.

WangPangpang

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