From: Herbert Xu <herbert@gondor.apana.org.au>
To: David Howells <dhowells@redhat.com>
Cc: Tadeusz Struk <tadeusz.struk@intel.com>,
linux-kernel@vger.kernel.org, keescook@chromium.org,
jwboyer@redhat.com, richard@nod.at, steved@redhat.com,
qat-linux@intel.com, linux-crypto@vger.kernel.org,
james.l.morris@oracle.com, jkosina@suse.cz,
zohar@linux.vnet.ibm.com, davem@davemloft.net, vgoyal@redhat.com
Subject: Re: [PATCH RFC v2 1/2] crypto: add PKE API
Date: Tue, 12 May 2015 09:21:59 +0800 [thread overview]
Message-ID: <20150512012158.GA13237@gondor.apana.org.au> (raw)
In-Reply-To: <11243.1431351927@warthog.procyon.org.uk>
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.
Cheers,
--
Email: Herbert Xu <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
next prev parent reply other threads:[~2015-05-12 1:22 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-06 19:36 [PATCH RFC v2 0/2] crypto: Introduce Public Key Encryption API Tadeusz Struk
2015-05-06 19:36 ` [PATCH RFC v2 1/2] crypto: add PKE API Tadeusz Struk
2015-05-11 6:03 ` Herbert Xu
2015-05-11 6:24 ` Herbert Xu
2015-05-11 6:27 ` Herbert Xu
2015-05-11 6:32 ` Herbert Xu
2015-05-22 18:37 ` Tadeusz Struk
2015-05-23 5:47 ` Herbert Xu
2015-05-23 14:20 ` Tadeusz Struk
2015-05-28 4:08 ` Herbert Xu
2015-05-28 16:54 ` Tadeusz Struk
2015-06-01 5:48 ` Herbert Xu
2015-06-01 17:52 ` Tadeusz Struk
2015-05-11 13:45 ` David Howells
2015-05-12 1:21 ` Herbert Xu [this message]
2015-05-13 15:03 ` David Howells
2015-05-14 2:59 ` Herbert Xu
2015-06-08 19:34 ` Kees Cook
2015-05-06 19:36 ` [PATCH RFC v2 2/2] crypto: RSA: KEYS: convert rsa and public key to new " Tadeusz Struk
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