Secure and opaque type library providing secure data...

Details Secure and opaque type library providing secure data... Secure and opaque type library providing secure data...

2007-08-07

2007-08-07

Knight, Anthony (Department: 2121)

Data processing: database and file management or data structures

Database design

Data structure types

C707S793000, C713S190000, C713S194000

Reexamination Certificate

active

10185644

ABSTRACT:
A method, apparatus, and article of manufacture for providing secure and opaque type libraries to automatically provide secure variables within a programming module. A system for providing secure and opaque type libraries to automatically provide secure variables within a programming module. The system includes an OTL selection module, an OTL substitution module, an OTL type library database, a compiler module; and a linker module to create an executable processing module. The OTL selection module randomly selects or generates one of the possible variable obfuscation functions for each declared secure variable. The OTL substitution module substitutes the separate instance of the selected variable obfuscation function for every reference to the declared secure variable. The OTL type library database receives queries from the OTL selection module a database to identify of possible variable obfuscation functions applicable for the variable type corresponding to the declared secure variables.

REFERENCES:
patent: 6594761 (2003-07-01), Chow et al.
patent: 6668325 (2003-12-01), Collberg et al.
patent: 2003/0018608 (2003-01-01), Rice et al.
patent: 2003/0221121 (2003-11-01), Chow et al.

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