ROR13 — And Its Linkage to API Calls within Modules

ROR13 (rotate right 13) is not a cryptographic hash, but it can be used to take strings of any length, and convert them into an integer value. It is used within executable code to generate an address to an API function within a DLL. The developer, though, must make sure there is no collisions with other functions in other modules. With ROR13 we take each 8-bit character and then convert to a Unicode…

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Prof Bill Buchanan OBE

Prof Bill Buchanan OBE

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Professor of Cryptography. Serial innovator. Believer in fairness, justice & freedom. Based in Edinburgh. Old World Breaker. New World Creator. Building trust.