Data processing: software development – installation – and managem – Software program development tool – Testing or debugging
Reexamination Certificate
2005-04-07
2010-10-26
Zhen, Wei Y (Department: 2191)
Data processing: software development, installation, and managem
Software program development tool
Testing or debugging
C717S126000, C713S187000, C713S188000, C713S189000, C713S190000
Reexamination Certificate
active
07823135
ABSTRACT:
Systems and methods are disclosed for protecting a computer program from unauthorized analysis and modification. Obfuscation transformations can be applied to the computer program's local structure, control graph, and/or data structure to render the program more difficult to understand and/or modify. Tamper-resistance mechanisms can be incorporated into the computer program to detect attempts to tamper with the program's operation. Once an attempt to tamper with the computer program is detected, the computer program reports it to an external agent, ceases normal operation, and/or reverses any modifications made by the attempted tampering. The computer program can also be watermarked to facilitate identification of its owner. The obfuscation, tamper-resistance, and watermarking transformations can be applied to the computer program's source code, object code, or executable image.
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Horne William G.
Horning James J.
Maheshwari Umesh
Matheson Lesley R.
Owicki Susan
Finnegan Henderson Farabow Garrett & Dunner LLP
Intertrust Technologies Corporation
Wu Junchun
Zhen Wei Y
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