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Erschienen in:
2015 | OriginalPaper | Buchkapitel
Cryptographically Secure On-Chip Firewalling
verfasst von : Jean-Michel Cioranesco, Craig Hampel, Guilherme Ozari de Almeida, Rodrigo Portella do Canto
Erschienen in: Network and System Security
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As SoCs have become more complex, on-chip interconnect has transformed into the point of integration for a variety of system level functions, including security. Integrators have begun to rely on distributed access control hardware to protect resources that are shared between IP cores executing both trusted and untrusted software. Existing solutions cover enforcement of on-chip access control policies but they don’t secure the programming interface nor the hardware against possible attacks. As the embedded content increases in theft value, the on-chip access enforcement will need to consider both software and hardware directed attacks. We introduce a secure on-chip access device that enables secure and programmable allocation of resources in an SoC by offering cryptographically signed programming, fault detection and key integrity. Synthesis results are shown in both ASIC and FPGA implementations.