Method and system for protecting native libraries

Details Method and system for protecting native libraries Method and system for protecting native libraries

2005-03-01

2005-03-01

Peeso, Thomas R. (Department: 2132)

Electrical computers and digital processing systems: support

Multiple computer communication using cryptography

Protection at a particular protocol layer

C713S164000, C713S167000, C713S152000, C713S152000

Reexamination Certificate

active

06862683

ABSTRACT:
A method and system for protecting native libraries for Java and other applications. An application's native library may be embedded in a system of code, such as Java code, so the protections afforded the system of code are provided to the native library. At runtime, the native library may be written to a randomly selected filename in a local file system. The native library is then loaded to support native method implementations. Because the library is written to a different and randomly chosen filename each time, a hacker will not know beforehand what library is going to be used. This invention is generally useful for protecting any native library, regardless of whether it is part of a shared Java library or not. It provides any native library the same level of protection that the symbolic obfuscator, or other method of protecting Java code, gives the Java code.

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