2014 | OriginalPaper | Buchkapitel
Idea: Towards a Working Fully Homomorphic Crypto-processor
Practice and the Secret Computer
verfasst von : Peter T. Breuer, Jonathan P. Bowen
Erschienen in: Engineering Secure Software and Systems
Verlag: Springer International Publishing
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A KPU is a replacement for a standard RISC processor that natively runs encrypted machine code on encrypted data in registers and memory – a ‘general-purpose crypto-processor’, in other words. It works because the processor’s arithmetic is customised to make the chosen encryption into a mathematical homomorphism, resulting in what is called a ‘fully-homomorphic encryption’ design. This paper discusses the problems and solutions associated with implementing a KPU in hardware.