To avoid being replaced easily, the public key is split into 5 parts: Instead, the public key is stored in libcc.dll and has been encrypted. Start from Navicat Premium 12.0.25, Navicat do not load this public key from resource in navicat.exe. I would be very appreciated for your generous. If you have the corresponding private key, you can tell me. YyQ1Wt4Ot12lxf0wVIR5mcGN7XCXJRHOFHSf1gzXWabRSvmt1nrl7sW6cjxljuuQ R0QgZFbRnU0frj34fiVmgYiLuZSAmIbs8ZxiHPdp1oD4tUpvsFci4QJtYNjNnGU2 QdW9M2dIdh3jG9yPcmLnmJiGpBF4E9VHSMGe8oPAy2kJDmdNt4BcEygvssEfginvĪ5t5jm352UAoDosUJkTXGQhpAWMF4fBmBpO3EedG62rOsqMBgmSdAyxCSPBRJIOF MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAw1dqF3SkCaAAmMzs889I You can see it by a software called Resource Hacker. It is stored in navicat.exe as a kind of resource called RCData. It is a RSA-2048 public key that Navicat used to encrypt or decrypt offline activation information.