linux-kernel - [PATCH RFC 0/4] Reintroduce the sm2 algorithm

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Message-ID: <20250630133934.766646-1-gubowen5@huawei.com>
Date: Mon, 30 Jun 2025 21:39:30 +0800
From: Gu Bowen <gubowen5@...wei.com>
To: Herbert Xu <herbert@...dor.apana.org.au>, David Howells
	<dhowells@...hat.com>, David Woodhouse <dwmw2@...radead.org>, Lukas Wunner
	<lukas@...ner.de>, Ignat Korchagin <ignat@...udflare.com>, "David S . Miller"
	<davem@...emloft.net>, Jarkko Sakkinen <jarkko@...nel.org>, Maxime Coquelin
	<mcoquelin.stm32@...il.com>, Alexandre Torgue <alexandre.torgue@...s.st.com>,
	Eric Biggers <ebiggers@...nel.org>, "Jason A . Donenfeld" <Jason@...c4.com>,
	Ard Biesheuvel <ardb@...nel.org>, Tianjia Zhang
	<tianjia.zhang@...ux.alibaba.com>, Dan Carpenter <dan.carpenter@...aro.org>
CC: <keyrings@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<linux-crypto@...r.kernel.org>, <linux-stm32@...md-mailman.stormreply.com>,
	<linux-arm-kernel@...ts.infradead.org>, Lu Jialin <lujialin4@...wei.com>,
	GONG Ruiqi <gongruiqi1@...wei.com>, Gu Bowen <gubowen5@...wei.com>
Subject: [PATCH RFC 0/4] Reintroduce the sm2 algorithm

To reintroduce the sm2 algorithm, the patch set did the following:
 - Reintroduce the mpi library based on libgcrypt.
 - Reintroduce ec implementation to MPI library.
 - Rework sm2 algorithm.
 - Support verification of X.509 certificates.

Gu Bowen (4):
  Revert "Revert "lib/mpi: Extend the MPI library""
  Revert "Revert "lib/mpi: Introduce ec implementation to MPI library""
  crypto/sm2: Rework sm2 alg with sig_alg backend
  crypto/sm2: support SM2-with-SM3 verification of X.509 certificates

 certs/system_keyring.c                   |    8 +
 crypto/Kconfig                           |   18 +
 crypto/Makefile                          |    8 +
 crypto/asymmetric_keys/public_key.c      |    7 +
 crypto/asymmetric_keys/x509_public_key.c |   27 +-
 crypto/sm2.c                             |  492 +++++++
 crypto/sm2signature.asn1                 |    4 +
 crypto/testmgr.c                         |    6 +
 crypto/testmgr.h                         |   57 +
 include/crypto/sm2.h                     |   31 +
 include/keys/system_keyring.h            |   13 +
 include/linux/mpi.h                      |  170 +++
 lib/crypto/mpi/Makefile                  |    2 +
 lib/crypto/mpi/ec.c                      | 1507 ++++++++++++++++++++++
 lib/crypto/mpi/mpi-add.c                 |   50 +
 lib/crypto/mpi/mpi-bit.c                 |  143 ++
 lib/crypto/mpi/mpi-cmp.c                 |   46 +-
 lib/crypto/mpi/mpi-div.c                 |   29 +
 lib/crypto/mpi/mpi-internal.h            |   10 +
 lib/crypto/mpi/mpi-inv.c                 |  143 ++
 lib/crypto/mpi/mpi-mod.c                 |  144 +++
 lib/crypto/mpi/mpicoder.c                |  336 +++++
 lib/crypto/mpi/mpih-mul.c                |   25 +
 lib/crypto/mpi/mpiutil.c                 |  182 +++
 24 files changed, 3447 insertions(+), 11 deletions(-)
 create mode 100644 crypto/sm2.c
 create mode 100644 crypto/sm2signature.asn1
 create mode 100644 include/crypto/sm2.h
 create mode 100644 lib/crypto/mpi/ec.c
 create mode 100644 lib/crypto/mpi/mpi-inv.c

-- 
2.25.1