It is just a JSON-style ASCII string which contains 3 items. It is a Base64 string that represents 256-bytes-long data, while the 256-bytes-long data is the cipher text of the offline activation information encrypted by Navicat Activation Public Key. You can see it by searching string '-BEGIN PUBLIC KEY- '. Instead, the public key is stored in Navicat executable file Navicat Premium.app/Contents/MacOS/Navicat Premium. Start from Navicat Premuim 12.0.24 for Mac, the public key is no longer stored in Navicat Premium.app/Contents/Resources/rpk. I would be very appreciated for your generous. If you have the corresponding private key, please tell me. YyQ1Wt4Ot12lxf0wVIR5mcGN7XCXJRHOFHSf1gzXWabRSvmt1nrl7sW6cjxljuuQ WPH6rvChGl1IRKrxMtqLielsvajUjyrgOC6NmymYMvZNER3htFEtL1eQbCyTfDmt R0QgZFbRnU0frj34fiVmgYiLuZSAmIbs8ZxiHPdp1oD4tUpvsFci4QJtYNjNnGU2 QdW9M2dIdh3jG9yPcmLnmJiGpBF4E9VHSMGe8oPAy2kJDmdNt4BcEygvssEfginvĪ5t5jm352UAoDosUJkTXGQhpAWMF4fBmBpO3EedG62rOsqMBgmSdAyxCSPBRJIOF MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAw1dqF3SkCaAAmMzs889I

You can see it by any kind of text editor. It is stored in Navicat Premium.app/Contents/Resources/rpk. It is a RSA-2048 public key that Navicat used to encrypt or decrypt offline activation information. This repository will tell you how Navicat offline activation works.

Key navicat premium 15