Re: [PATCH v2] crypto: AF_ALG - add support for keys/asymmetric-type

From: David Woodhouse
Date: Wed Jan 13 2016 - 08:45:33 EST

On Wed, 2016-01-13 at 13:36 +0000, David Howells wrote:
> David Woodhouse <dwmw2@xxxxxxxxxxxxx> wrote:
> > David, is there a way to do that test purely in software without
> > needing hardware support? We know that the data might not actually be
> > present in all cases... is there an easy test for that case?
> I have written a user TPM driver that talks to a userspace TPM implementation
> out of the backend.ÂÂIt's been pushed to the TPM driver guy but I'm not sure
> what became of it.ÂÂI'll chase it up.

I was thinking of something a lot simpler â like a test hack with a key
type that just puts a *pointer* to the key data in the 'payload', to
ensure that nobody is violating the rules about directly touching the
payload (which should be private to the implementation).


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