Cryptographic System on a Chip based on Actel ARM7 Soft-Core with Embedded True Random Number Generator

Authors:
Milos Drutarovsky;Michal Varchola
Affiliations:
Department of Electronics and Multimedia Communications, Technical University of Kosice, Park Komenskeho 13, Kosice 041 20, Slovak Republic, E-mail: Milos.Drutarovsky@tuke.sk;Department of Electronics and Multimedia Communications, Technical University of Kosice, Park Komenskeho 13, Kosice 041 20, Slovak Republic, E-mail: Miso.Varchola@tuke.sk
Venue:
DDECS '08 Proceedings of the 2008 11th IEEE Workshop on Design and Diagnostics of Electronic Circuits and Systems
Year:
2008

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International Journal of Reconfigurable Computing - Special issue on selected papers from the international workshop on reconfigurable communication-centric systems on chips (ReCoSoC' 2010)

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Abstract

The paper introduces a cryptographic System on a Chip (SoC) implementation based on recent Actel nonvolatile FPGA Fusion chip with embedded ARM7 soft-core processor. The SoC is built on three main blocks -embedded soft-core with industry standard ARM7 architecture, internal Flash and static RAM memory blocks and custom True Random Number Generator (TRNG) design. High flexibility of the SoC is based on efficient software implementation of main cryptographic primitives (AES, ECC, RSA, SHA) in soft-core. Implemented TRNG uses PLL-based simplified architecture with optional onchip free running RvOCI oclator.