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Give me hardware with a discrete cryptographic processing unit which is just a CPU that does has no speculation, caching, or other nonsense. In other words, a C

by kibwen 2y ago

Give me hardware with a discrete cryptographic processing unit which is just a CPU that does has no speculation, caching, or other nonsense. In other words, a CPU that actually works the way it's supposed to work. I don't care that idiots want their wrong software to be as fast as possible, I want correct software that's as fast as possible, and no faster.

adamc 2y ago
But they want to sell as many cpus as possible, right? So that market wins.
- Sesse__ 2y ago
  You can easily buy such CPUs in the microcontroller market, just go ahead. They're being sold by the billions.
  - adamc 2y ago
    Presumably, performance also matters.
    - Sesse__ 2y ago
      Well, if you say you don't want caching and speculation, then you've essentially given up on performance already. There's a reason why these small cores are slow.
pjc50 2y ago
A TPM, HSM, or Intel AES-NI type solution?
- hinkley 2y ago
  You know given the rise of chiplets, a custom core isn’t a stupid idea…
hinkley 2y ago
Are we going to end up doing all our crypto on the big.LITTLE cores? I wonder if they’re fast enough…
layer8 2y ago
As the paper notes (page 21 last paragraph), this isn’t just about cryptographic algorithms though, it’s about the processing of any “secret” data.