Re: [PATCH RFC v2 1/2] crypto: add PKE API

From: Herbert Xu
Date: Mon May 11 2015 - 21:22:35 EST

On Mon, May 11, 2015 at 02:45:27PM +0100, David Howells wrote:
> What if the fallback doesn't exist? For instance, a H/W contained key is
> specifically limited to, say, just sign/verify and the not permitted to be
> used for encrypt/decrypt. How do you provide a fallback given you can't get
> at the key?

That's a transform with a specific key. I don't see why such a
piece of hardware would even need to be exposed through the crypto
API which is about generic implementations that can take any
arbitrary key.

Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
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