linux-kernel - Re: [PATCH v7 1/4] crypto: Add support for ECDSA signature verification

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Message-ID: <20210204052738.GA7086@gondor.apana.org.au>
Date:   Thu, 4 Feb 2021 16:27:39 +1100
From:   Herbert Xu <herbert@...dor.apana.org.au>
To:     Stefan Berger <stefanb@...ux.ibm.com>,
        Saulo Alessandre <saulo.alessandre@...il.com>
Cc:     keyrings@...r.kernel.org, linux-crypto@...r.kernel.org,
        davem@...emloft.net, dhowells@...hat.com, zohar@...ux.ibm.com,
        linux-kernel@...r.kernel.org, patrick@...terwijk.org,
        linux-integrity@...r.kernel.org
Subject: Re: [PATCH v7 1/4] crypto: Add support for ECDSA signature
 verification

On Mon, Feb 01, 2021 at 10:19:07AM -0500, Stefan Berger wrote:
> Add support for parsing the parameters of a NIST P256 or NIST P192 key.
> Enable signature verification using these keys. The new module is
> enabled with CONFIG_ECDSA:
>   Elliptic Curve Digital Signature Algorithm (NIST P192, P256 etc.)
>   is A NIST cryptographic standard algorithm. Only signature verification
>   is implemented.
> 
> Signed-off-by: Stefan Berger <stefanb@...ux.ibm.com>
> Cc: Herbert Xu <herbert@...dor.apana.org.au>
> Cc: "David S. Miller" <davem@...emloft.net>
> Cc: linux-crypto@...r.kernel.org
> ---
>  crypto/Kconfig               |  10 +
>  crypto/Makefile              |   6 +
>  crypto/ecc.c                 |  13 +-
>  crypto/ecc.h                 |  28 +++
>  crypto/ecdsa.c               | 361 +++++++++++++++++++++++++++++++++++
>  crypto/ecdsasignature.asn1   |   4 +
>  crypto/testmgr.c             |  12 ++
>  crypto/testmgr.h             | 267 ++++++++++++++++++++++++++
>  include/linux/oid_registry.h |   4 +
>  9 files changed, 694 insertions(+), 11 deletions(-)
>  create mode 100644 crypto/ecdsa.c
>  create mode 100644 crypto/ecdsasignature.asn1

Saulo Alessandre is implementing ecdsa with signing so you two
should coordinate on this.

Thanks,
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt