Plurality of loader modules with a CO- ordinator module...

Details Plurality of loader modules with a CO- ordinator module... Plurality of loader modules with a CO- ordinator module...

2007-11-06

2007-11-06

Ingberg, Todd (Department: 2193)

Data processing: software development, installation, and managem

Software program development tool

Linking

C717S166000, C713S002000, C719S331000

Reexamination Certificate

active

10272214

ABSTRACT:
Software loading is effected by means of a header40and software modules STUB1, STUB2etc. The header40calls each stub in appropriate order, installing the stub in a loader region42, executing the stub and then removing it. The STUBS may be encrypted and may be installed at random or pseudo-random locations in the region42. Generic breaches of security, such as “riding the loader” are prevented because the stubs appear only transiently and at unpredictable positions. Security may be further improved by selecting each stub from a group of alternatives which are differently coded but functionally equivalent.

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