Abstract: Disclosed are an authentication method and an authentication apparatus for reinforced software. The method includes: obtaining, after verification of a shell procedure of a reinforced software performed by a server succeeds, key data sent from the server, the key data including hidden data in a plain-text software code of the reinforced software and an entry address corresponding to the hidden data; and replacing, according to the hidden data and the entry address, corresponding data hidden in the plain-text software code of the reinforced software stored in a memory, and loading the plain-text software code.