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Towards Inter-Vendor Compatibility of True Random Number Generators for FPGAs

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© 2018 EDAA. True random number generators (TRNGs) are fundamental constituents of secure embedded cryptographic systems. In this paper, we introduce a general methodology for porting TRNG across different FPGA vendor families. In order to demonstrate our methodology, we applied it to the delay-chain based TRNG (DC-TRNG) on Intel Cyclone IV and Cyclone V FPGAs. We examine vendor-agnostic generality of the underlying DC-TRNG principle and propose modifications to address differences in structure of FPGAs. Implementation of the DC-TRNG on Cyclone IV uses 149 LEs (<0.1% of available resources) and has a throughput of 5Mbps, while on Cyclone V it occupies 230 ALMs (<1.5% of resources) with an output rate of 12.5 Mbps. The quality of the random bits produced by the DC-TRNG on Intel Cyclone IV and V is further confirmed by using NIST statistical test suite.
Volume: 2018-Janua
Pagina's: 1520 - 1523
Aantal pagina's: 4
Jaar van publicatie:2018