linux-kernel - Re: [PATCH v3 0/8] crypto, lib/crypto: Add SHAKE128/256 support and move SHA3 to lib/crypto

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Message-ID: <13446126.ZYm5mLc6kN@tauon>
Date: Thu, 16 Oct 2025 16:56:09 +0200
From: Stephan Mueller <smueller@...onox.de>
To: David Howells <dhowells@...hat.com>
Cc: dhowells@...hat.com, Eric Biggers <ebiggers@...nel.org>,
 "Jason A . Donenfeld" <Jason@...c4.com>, Ard Biesheuvel <ardb@...nel.org>,
 Herbert Xu <herbert@...dor.apana.org.au>, linux-crypto@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 0/8] crypto,
 lib/crypto: Add SHAKE128/256 support and move SHA3 to lib/crypto

Am Donnerstag, 16. Oktober 2025, 16:34:11 Mitteleuropäische Sommerzeit schrieb 
David Howells:

Hi David,

> David Howells <dhowells@...hat.com> wrote:
> > I have ML-DSA working as far as being able to load keys and check
> > signatures in the kernel - but hit a minor bump of openssl not apparently
> > being able to actually generate CMS signatures for it:-/.  It seems the
> > standard is not settled quite yet...
> 
> Actually, openssl CMS can generate ML-DSA signatures, but only if CMS_NOATTR
> is not specified.

If you want to test it, perhaps the lc_x509_generator or lc_pkcs7_generator 
from leancrypto could be used [1].

[1] https://leancrypto.org/leancrypto/x509_support/index.html
> 
> David

Ciao
Stephan