From: Lukas Wunner <lukas@wunner.de>
To: Stefan Berger <stefanb@linux.ibm.com>
Cc: keyrings@vger.kernel.org, linux-crypto@vger.kernel.org,
herbert@gondor.apana.org.au, davem@davemloft.net,
linux-kernel@vger.kernel.org, saulo.alessandre@tse.jus.br,
bbhushan2@marvell.com, jarkko@kernel.org
Subject: Re: [PATCH v7 00/13] Add support for NIST P521 to ecdsa
Date: Mon, 25 Mar 2024 20:18:37 +0100 [thread overview]
Message-ID: <ZgHODQL-XLxTDO4b@wunner.de> (raw)
In-Reply-To: <5c6c5f51-125b-4cc7-ac27-5a5358d514c7@linux.ibm.com>
On Wed, Mar 20, 2024 at 08:44:52AM -0400, Stefan Berger wrote:
> On 3/20/24 07:47, Stefan Berger wrote:
> > This series adds support for the NIST P521 curve to the ecdsa module
> > to enable signature verification with it.
> >
> > An issue with the current code in ecdsa is that it assumes that input
> > arrays providing key coordinates for example, are arrays of digits
> > (a 'digit' is a 'u64'). This works well for all currently supported
> > curves, such as NIST P192/256/384, but does not work for NIST P521 where
> > coordinates are 8 digits + 2 bytes long. So some of the changes deal with
> > converting byte arrays to digits and adjusting tests on input byte
> > array lengths to tolerate arrays not providing multiples of 8 bytes.
I've tested the whole series successfully on v6.9-rc1 by authenticating
a PCI device with a NIST P521 certificate using my PCI/CMA development
branch: https://github.com/l1k/linux/commits/doe
Tested-by: Lukas Wunner <lukas@wunner.de>
prev parent reply other threads:[~2024-03-25 19:18 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-20 11:47 Add support for NIST P521 to ecdsa Stefan Berger
2024-03-20 11:47 ` [PATCH v7 01/13] crypto: ecc - Use ECC_CURVE_NIST_P192/256/384_DIGITS where possible Stefan Berger
2024-03-20 11:47 ` [PATCH v7 02/13] crypto: ecdsa - Convert byte arrays with key coordinates to digits Stefan Berger
2024-03-21 17:07 ` Jarkko Sakkinen
2024-03-20 11:47 ` [PATCH v7 03/13] crypto: ecdsa - Adjust tests on length of key parameters Stefan Berger
2024-03-21 17:11 ` Jarkko Sakkinen
2024-03-20 11:47 ` [PATCH v7 04/13] crypto: ecdsa - Extend res.x mod n calculation for NIST P521 Stefan Berger
2024-03-21 17:15 ` Jarkko Sakkinen
2024-03-20 11:47 ` [PATCH v7 05/13] crypto: ecc - Add nbits field to ecc_curve structure Stefan Berger
2024-03-21 17:17 ` Jarkko Sakkinen
2024-03-21 17:42 ` Stefan Berger
2024-03-21 18:24 ` Jarkko Sakkinen
2024-03-20 11:47 ` [PATCH v7 06/13] crypto: ecc - Implement vli_mmod_fast_521 for NIST p521 Stefan Berger
2024-03-21 17:18 ` Jarkko Sakkinen
2024-03-20 11:47 ` [PATCH v7 07/13] crypto: ecc - Add special case for NIST P521 in ecc_point_mult Stefan Berger
2024-03-20 11:47 ` [PATCH v7 08/13] crypto: ecc - Add NIST P521 curve parameters Stefan Berger
2024-03-20 11:47 ` [PATCH v7 09/13] crypto: ecdsa - Replace ndigits with nbits where precision is needed Stefan Berger
2024-03-21 17:19 ` Jarkko Sakkinen
2024-03-20 11:47 ` [PATCH v7 10/13] crypto: ecdsa - Rename keylen to bufsize where necessary Stefan Berger
2024-03-21 17:19 ` Jarkko Sakkinen
2024-03-20 11:47 ` [PATCH v7 11/13] crypto: ecdsa - Register NIST P521 and extend test suite Stefan Berger
2024-03-20 11:47 ` [PATCH v7 12/13] crypto: asymmetric_keys - Adjust signature size calculation for NIST P521 Stefan Berger
2024-03-21 17:20 ` Jarkko Sakkinen
2024-03-20 11:47 ` [PATCH v7 13/13] crypto: x509 - Add OID for NIST P521 and extend parser for it Stefan Berger
2024-03-21 17:20 ` Jarkko Sakkinen
2024-03-21 17:42 ` Stefan Berger
2024-03-21 18:25 ` Jarkko Sakkinen
2024-03-20 12:44 ` [PATCH v7 00/13] Add support for NIST P521 to ecdsa Stefan Berger
2024-03-25 19:18 ` Lukas Wunner [this message]
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