A Fully Homomorphic Crypto-Processor Design Correctness of a Secret Computer

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Provided by: University of Bielefeld
Topic: Hardware
Format: PDF
A KPU is a replacement for a standard CPU that natively runs encrypted machine code on encrypted data in registers and memory - a 'Crypto-processor unit', in other words. Its computations are opaque to an observer with physical access to the processor but remain meaningful to the owner of the computation. In theory, a KPU can be run in simulation and remain as secure (or otherwise) as in hardware. Any block cipher with a block-size of about a word is compatible with this developing technology, the long-term aim of which is to make it safe to entrust data-oriented computation to a remote environment.
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