What kind of downloaded code violates App Store Review Guideline?
App Store Review Guidelines says: "Apps that download code in any way or form will be rejected." I'd like to make an app using Challenge-Response for authentication. The app has a set of basic algorithms such as SHA-1, SHA-256, MD5, DES, AES and so on. The challenge server makes contains an array of the algorithms' name with random arrangement and a string names A. Client uses the algorithms and the sequence that challenge indicates to manipulate string A, and returns it to the server as the response. Although all I transfer between server and client is a bunch of strings, but they indeed