3 ms·The extreme version of this is using an HSM, and putting one in a safe deposit box.by xxpor 5y agoThe extreme version of this is using an HSM, and putting one in a safe deposit box.danuker 5y agoIt's not so extreme, you have to trust the HSM manufacturer. Try generating randomness using casino-grade dice, and xor-ing it with the HSM. Maybe then.xxpor 5y agoNow I'm wondering who's managed to pull off supply chain attacks on dice, since I'm sure it's happened already.