Importance

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Abstract

Systems and methods for performing software license enforcement are provided. According to one embodiment, file or operating system activity relating to a code module are intercepted by a kernel mode driver of a computer system. The kernel mode driver causes a cryptographic hash value of the code module to be authenticated with reference to a local whitelist containing cryptographic hash values of approved code modules known not to contain malicious code. The local whitelist also contains licensing control information. If the cryptographic hash value matches a cryptographic hash value of an approved code module, then (i) authority to execute the code module is further validated if the licensing control information so indicates by performing a license check regarding the code module; and (ii) the code module is allowed to be loaded and executed within the computer system if the authority is affirmed by the license check.

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First Claim