Protecting software from unauthorized use by converting source code modules to byte codes
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United States of America Patent
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Jun 1, 2010
Grant Date -
Nov 30, 2006
app pub date -
Jun 30, 2006
filing date -
Jun 21, 2002
priority date (Note) -
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Abstract
A method for anti-piracy protection of a software application by obfuscation of the execution of portions of the applications code is described. The method includes providing a language specification and library to implement the functions of the language, providing a compiler to translate the language into byte codes, and providing an interpreter to execute the byte codes using the library. The method further includes providing the language specifications, library, compiler, interpreter, and instructions to a software publisher, where the software publisher embeds the library and interpreter in the application to be protected, and selects and prepares application code segments for processing into byte codes by the compiler. The application is then executed using the embedded library and interpreter, where the execution of the application is obfuscated by the use of byte codes.
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