From: Herbert Xu <herbert@gondor.apana.org.au>
To: David Howells <dhowells@redhat.com>,
Mimi Zohar <zohar@linux.vnet.ibm.com>,
Dmitry Kasatkin <dmitry.kasatkin@gmail.com>,
linux-integrity@vger.kernel.org, keyrings@vger.kernel.org,
linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [RFC PATCH 1/4] X.509: Parse public key parameters from x509 for akcipher
Date: Thu, 28 Feb 2019 17:01:25 +0800 [thread overview]
Message-ID: <20190228090125.6n62v4oxpwl5yzv4@gondor.apana.org.au> (raw)
In-Reply-To: <20190228082801.2aofw23r2shzwy4n@altlinux.org>
On Thu, Feb 28, 2019 at 11:28:01AM +0300, Vitaly Chikunov wrote:
> On Thu, Feb 28, 2019 at 03:51:41PM +0800, Herbert Xu wrote:
> > On Thu, Feb 28, 2019 at 10:04:49AM +0300, Vitaly Chikunov wrote:
> > >
> > > It seems that you insist on set_params to be removed and both key and
> > > params to be passed into set_{pub,priv}_key. This means reworking all
> > > existing RSA drivers and callers, right? Can you please confirm that
> > > huge rework to avoid misunderstanding?
> >
> > I don't understand why we even need to touch the existing RSA
> > drivers. Nothing needs to change as far as they're concerned.
> >
> > Only the new algorithms would need to decode the extra parameters
> > in the key stream.
>
> int (*set_pub_key)(struct crypto_akcipher *tfm, const void *key,
> unsigned int keylen);
> int (*set_priv_key)(struct crypto_akcipher *tfm, const void *key,
> unsigned int keylen);
>
> So you want `keylen' not to cover parameters data, but parameters
> actually present in key after `keylen' bytes (in come packed format)?
> (And if there is no parameters appended, there is still appended some
> marker, like 0, to signify that there is no parameters.)
>
> This looks a bit counter-intuitive usage of arguments (as argument
> signifying length does not cover all arguments data), is this ok to you?
This is how we handle things in DH as well as other places such
as authenc.
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:[~2019-02-28 9:01 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-06 13:36 [RFC PATCH 0/4] crypto: Add EC-RDSA algorithm Vitaly Chikunov
2019-01-06 13:36 ` [RFC PATCH 1/4] X.509: Parse public key parameters from x509 for akcipher Vitaly Chikunov
2019-02-09 21:42 ` Vitaly Chikunov
2019-02-10 18:46 ` Vitaly Chikunov
2019-02-19 4:37 ` Herbert Xu
2019-02-24 6:48 ` Vitaly Chikunov
2019-02-28 6:14 ` Herbert Xu
2019-02-28 7:04 ` Vitaly Chikunov
2019-02-28 7:11 ` Vitaly Chikunov
2019-02-28 7:51 ` Herbert Xu
2019-02-28 8:28 ` Vitaly Chikunov
2019-02-28 9:01 ` Herbert Xu [this message]
2019-02-28 10:33 ` Vitaly Chikunov
2019-02-28 10:37 ` Herbert Xu
2019-03-01 16:06 ` Vitaly Chikunov
2019-01-06 13:36 ` [RFC PATCH 2/4] akcipher: Introduce verify2 for public key algorithms Vitaly Chikunov
2019-01-06 13:36 ` [RFC PATCH 3/4] KEYS: set correct flags for keyctl if encrypt is not supported Vitaly Chikunov
2019-01-06 13:36 ` [RFC PATCH 4/4] crypto: Add EC-RDSA algorithm Vitaly Chikunov
2019-01-06 18:11 ` Stephan Müller
2019-01-07 8:07 ` Vitaly Chikunov
2019-01-07 8:31 ` Stephan Mueller
2019-01-07 9:04 ` Vitaly Chikunov
2019-01-16 16:15 ` David Howells
2019-01-16 16:19 ` [RFC PATCH 2/4] akcipher: Introduce verify2 for public key algorithms David Howells
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20190228090125.6n62v4oxpwl5yzv4@gondor.apana.org.au \
--to=herbert@gondor.apana.org.au \
--cc=dhowells@redhat.com \
--cc=dmitry.kasatkin@gmail.com \
--cc=keyrings@vger.kernel.org \
--cc=linux-crypto@vger.kernel.org \
--cc=linux-integrity@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=zohar@linux.vnet.ibm.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).