问题 Suppose I am developing a mobile application that makes calls to an API server. The API server is secured by an API Key. I cannot hard-code the API Key inside the mobile application because it can be stolen. How can I protect the API key? 回答1: How is that problem usually solved? (It sounds like the API-key you are trying to protect is for an API service that you don't own.) One approach is by using an authentication server. The private API-key is kept on the authentication server and only