TERMINAL DEVICE AND SERVER HAVING JAVA VIRTURL MACHINE FOR PREVENTING ILLEGAL COPY OF JAVA APPLICATION, AND METHOD FOR AUTHENTIFICATION OF THE JAVA APPLICATION IN THE TERMINAL DEVICE

摘要

Disclosed are a terminal device and server with a java virtual machine for preventing the illegal copy of a java application, and a method for authenticating the java application in the terminal device. The disclosed terminal device includes: a compile unit which generates a first native code by compiling a first basic block among a plurality of basic blocks constituting the java application; a comparing unit which compares the first native code with the code stored in a first address in the java application; and a control unit which authenticates the normal purchase of the java application if the first native code is identical to the code stored in the first address.