# 2. Check expiration if payload.expiration < current_time(): return Error("License expired") Cracktool4 Exclusive [2025]
# 3. Check Hardware ID binding (Optional anti-piracy) if payload.bound_hwid and payload.bound_hwid != get_server_hwid(): return Error("License bound to different hardware") Siemens Tia Portal V13 Sp1 Update 4 Better Apr 2026
def activate_license(license_string): # 1. Decode and verify signature payload = verify_signature(license_string) if not payload: return Error("Invalid license signature")