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Simplest solution here is to implement the algorithm in hardware, with a new instruction that has all the security attributes. (Including resistance to power differential and timing differential attacks.)

Downthread: https://news.ycombinator.com/item?id=31745105

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But this is inflexible.

Then start adding FPGAs!

Seriously, this has been talked about for ages now. If every platform had a good enough FPGA, it could be used for cryptography and/or to accelerate some specific computations. Abd without having a set of algorithms baked into the silicon, it would not make the device eventually obsolete as the world moves to better algorithms.

Not only has it been talked about for ages, Intel bought Altera and AMD bought Xilinx. One has to wonder and ask - why?

Edit: > it would not make the device eventually obsolete as the world moves to better algorithms

Ah there I found it. Makes sense to buy the FPGA manufacturers, so they devices still become obsolete and people buy their newer processors.

True.

But did you want a microcode vulnerability? That'd make for another one of these awesome HN discussions...

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