Optimized AES Rijndael Implementation on Embedded Controller R8C

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Executive Summary

Microcontroller can be used in a wide range of applications, such as industrial control, monitoring, communication interface in wireless sensor network for environment monitoring and battle field ad-hoc network. The 8/16 bit microcontroller with their limited ability in computation and power, the security is the one of the most important issue for these applications. With limited computational ability the cryptography algorithm when implemented not only consumes CPU time but also the precious memory area both program and data memory.

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