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July 20th, 2018 07:00

NVMe PCIe hardware encryption (class 0 or eDrive), news?

Any news? Plan to support hardware encryption on Samsung NVMe drives, especially Class 0?

It was already fully supported for SATA, so why not extending it also to NVMe?

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July 23rd, 2018 07:00

I haven't seen any, and Dell's KB article is still up without any indication of a change for more recent products.  That said, for what it's worth I just had a bad Class 0 experience that has turned me off the idea of using it and kept me using BitLocker.  A friend of mine had a Samsung 860 Evo mSATA SSD in his Latitude E7440 and had enabled Class 0 on it by setting an HDD password.  Later his system died, so he brought his SSD to me to capture an image of its data.  I installed it into my XPS 15 9530, and it showed the HDD password at startup, but the password wasn't accepted.  My friend was certain he had the correct password (since he'd been entering it every day, after all), so eventually I wondered if HDD password support might not be as standardized as I thought.  I ended up having to find another Latitude E7440, and once I installed the SSD in THAT system, it worked fine -- but I think it's absolutely ridiculous that you might need to find another identical model system for an HDD password to be accepted.  So I'm sticking with BitLocker, which has far more recovery options that work in far more contexts, or VeraCrypt if I'm using a non-Pro version of Windows.  I realize that Class 0 is convenient for people using dual boot systems, but that's an edge case these days anyway.  And as for hardware vs. software encryption, CPUs for the last decade have had hardware acceleration for AES operations that allows software encryption to be performed without creating a bottleneck even with a fast NVMe SSD.

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