Method and apparatus for anti-repackaging

A non-transitory, computer-readable medium storing one or more instructions executable by a computer system to perform operations for anti-repackaging, comprising:

• running a target file in an installation package;
• loading a secure dynamic library in the installation package;
• retrieving, based on a code in the target file, digital watermark information embedded in the target file and verification information stored in the secure dynamic library;
• and
• determining, based on the digital watermark information and the verification information, whether the installation package is a repackaged installation package.

A computer-implemented system for anti-repackaging, comprising:

• one or more computers;
• and
• one or more computer memory devices interoperably coupled with the one or more computers and having tangible, non-transitory, machine-readable media storing one or more instructions that, when executed by the one or more computers, perform one or more operations comprising:
• running a target file in an installation package;
• loading a secure dynamic library in the installation package;
• retrieving, based on a code in the target file, digital watermark information embedded in the target file and verification information stored in the secure dynamic library;
• and
• determining, based on the digital watermark information and the verification information, whether the installation package is a repackaged installation package.