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Modulo exponentiation on secure MCU

Posted: 27 May 2009     Print Version  Bookmark and Share

Keywords:microcontroller  cryptographic algorithms  secure MCU 

Modulo exponentiation is used in many cryptographic algorithms. Anyone implementing one of these algorithms must know approximately how long the operation will take.

This application note describes how modulo exponentiation is done on the DS5250 high-speed, secure MCU. It lists typical times to run various expressions and describes the code flow to obtain the timings.

This application note also explains the configuration of the Modulo Arithmetic Accelerator (MAA) for exponentiation, discusses the trade offs in execution time, and shows typical execution times.

View the PDF document for more information.

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