>Cryptoleq: an abstract machine based on the concept of [OISC], capable of performing general-purpose computation on encrypted programs. The program operands are protected using the Paillier partially homomorphic cryptosystem, which supports addition on the encrypted domain. Full homomorphism over addition and multiplication, [...] is achieved by inventing a heuristically obfuscated software re-encryption module written using Cryptoleq instructions[.]
between SUBLEQ and CRYPTOLEQ we have a similar OISC approach to computing on both trusted and untrusted hardware! possibly even with good performance on an FPGA!
i'm not sure exactly how complex FPGA silicon is, but i would imagine that an OISC computer would be a fairly simple machine at the component level.
the next question is, how does this extremely simple instruction set compare to something like GreenArrays? http://www.greenarraychips.com/home/documents/greg/PB003-110412-F18A.pdf
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