Messages in this thread | | | Subject | Re: [PATCH v9 42/43] virt: sevguest: Add support to derive key | From | Brijesh Singh <> | Date | Tue, 8 Feb 2022 08:14:13 -0600 |
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On 2/8/22 1:56 AM, Dov Murik wrote: ...
> > Just to be clear, I didn't mean necessarily "leak the key to the > untrusted host" (even if a page is converted back from private to > shared, it is encrypted, so host can't read its contents). But even > *inside* the guest, when dealing with sensitive data like keys, we > should minimize the amount of copies that float around (I assume this is > the reason for most of the uses of memzero_explicit() in the kernel). >
Yap, I agree with your point and will keep the memzero_explicit().
-Brijesh
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