On 2/10/2017 11:46 AM, James Bottomley wrote:
> On Fri, 2017-02-10 at 04:03 -0600, Dr. Greg Wettstein wrote:
>> On Feb 9, 11:24am, James Bottomley wrote:

>> quote: 810 milliseconds
>> verify signature: 635 milliseconds
> ...
>
> Part of the way of reducing the latency is not to use the TPM for
> things that don't require secrecy: container signature verification is
> one such because the container is signed with a private key to which
> ...

Agreed.  There are a few times one would verify a signature inside the 
TPM, but they're far from mainstream:

1 - Early in the boot cycle, when there's no crypto library.

2 - When the crypto library doesn't support the required algorithm.

3 - When a ticket is needed to prove to the TPM later that it verified
the signature.



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