linux-kernel - [PATCH v10 5/8] crypto: Add ML-DSA crypto

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Message-ID: <20251120104439.2620205-6-dhowells@redhat.com>
Date: Thu, 20 Nov 2025 10:44:32 +0000
From: David Howells <dhowells@...hat.com>
To: Herbert Xu <herbert@...dor.apana.org.au>
Cc: David Howells <dhowells@...hat.com>,
	Eric Biggers <ebiggers@...nel.org>,
	Luis Chamberlain <mcgrof@...nel.org>,
	Petr Pavlu <petr.pavlu@...e.com>,
	Daniel Gomez <da.gomez@...nel.org>,
	Sami Tolvanen <samitolvanen@...gle.com>,
	"Jason A . Donenfeld" <Jason@...c4.com>,
	Ard Biesheuvel <ardb@...nel.org>,
	Stephan Mueller <smueller@...onox.de>,
	Lukas Wunner <lukas@...ner.de>,
	Ignat Korchagin <ignat@...udflare.com>,
	linux-crypto@...r.kernel.org,
	keyrings@...r.kernel.org,
	linux-modules@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH v10 5/8] crypto: Add ML-DSA crypto_sig support

---
 crypto/Kconfig  | 10 ++++++++++
 crypto/Makefile |  2 ++
 2 files changed, 12 insertions(+)

diff --git a/crypto/Kconfig b/crypto/Kconfig
index bf8b8a60a0c0..45e376af02dc 100644
--- a/crypto/Kconfig
+++ b/crypto/Kconfig
@@ -344,6 +344,16 @@ config CRYPTO_ECRDSA
 	  One of the Russian cryptographic standard algorithms (called GOST
 	  algorithms). Only signature verification is implemented.
 
+config CRYPTO_MLDSA
+	tristate "ML-DSA (Module-Lattice-Based Digital Signature Algorithm)"
+	select CRYPTO_SIG
+	select CRYPTO_LIB_MLDSA
+	select CRYPTO_LIB_SHA3
+	help
+	  ML-DSA (Module-Lattice-Based Digital Signature Algorithm) (FIPS-204).
+
+	  Only signature verification is implemented.
+
 endmenu
 
 menu "Block ciphers"
diff --git a/crypto/Makefile b/crypto/Makefile
index 093c56a45d3f..b181f8a54099 100644
--- a/crypto/Makefile
+++ b/crypto/Makefile
@@ -60,6 +60,8 @@ ecdsa_generic-y += ecdsa-p1363.o
 ecdsa_generic-y += ecdsasignature.asn1.o
 obj-$(CONFIG_CRYPTO_ECDSA) += ecdsa_generic.o
 
+obj-$(CONFIG_CRYPTO_MLDSA) += mldsa.o
+
 crypto_acompress-y := acompress.o
 crypto_acompress-y += scompress.o
 obj-$(CONFIG_CRYPTO_ACOMP2) += crypto_acompress.o