FYI: AMD Epyc (server CPUs) comes with low-level per-VM DRAM Encryption / isolation support

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Jun 20, 2017, 5:03:48 PM6/20/17

to qubes-users

Too bad it's (probably) not coming to the desktop, but interesting nonetheless:

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Jun 21, 2017, 12:47:03 PM6/21/17

to qubes-users

seems it's also available for Ryzen CPUs: https://www.phoronix.com/scan.php?page=news_item&px=AMD-Secure-Memory-Encryption
(I haven't time at the moment to look whether it requires you to use the PSP/TPM or not.)

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Jun 22, 2017, 6:49:46 PM6/22/17

to Foppe de Haan, qubes-users

On 06/21/2017 12:47 PM, Foppe de Haan wrote:

> seems it's also available for Ryzen CPUs: https://www.phoronix.com/scan.php?page=news_item&px=AMD-Secure-Memory-Encryption
> (I haven't time at the moment to look whether it requires you to use the PSP/TPM or not.)

It is a PSP feature and designed for DRM, the hollywood studios make it
or sgx mandatory to play 4K blurays.
It isn't a good thing.

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