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Develop a security algorithm meeting the customer and end customer ("Big-3" auto manufacturer) requirements, specifically, high security, fast execution speed, and low ROM footprint.

An eight-bit CMOS micro controller forms the heart of this embedded system. The project's software was developed using the "C" language. Various algorithms were researched on the web, especially encryption and random-number algorithms. Candidate algorithms were developed, implemented and tested in Octave (an open source version of Matlab) for conformance to the security requirements. The best algorithm was selected for implementation in the embedded system.

Every end-customer requirement for security was exceeded, which was proved by an exhaustive simulation in Octave. The embedded implementation was simple, short, and fast.

Motorola 68HC08 Micro Controller
COSMIC ‘HC08 Tool chain
Motorola MMDS Emulator
Octave