Man-machine identification method based on sliding puzzle verification code

The invention belongs to the field of user identification of computer information security, and relates to a man-machine identification method based on a sliding puzzle verification code. The method comprises the following steps: a client requests a server base map and a sliding block; the server generates a base map, a sliding block and a unique identification code and returns the base map, the sliding block and the unique identification code to the client; the client generates a verification code UI according to the base map and the sliding block; the client collects the displacement of theuser moving sliding block; the client encrypts the collected data and the unique identification code and sends the encrypted data and the unique identification code to the server; the server decryptsthe encrypted data of the client; and the server authenticates the man-machine and returns an authentication result. The method is distinguished from a traditional image-text verification code, so that a code printing recognit