Tianjia, On Tue, Jun 09, 2020 at 09:48:47PM +0800, Tianjia Zhang wrote: > Hello all, > > This new module implement the OSCCA certificate and SM2 public key > algorithm. It was published by State Encryption Management Bureau, China. > List of specifications for OSCCA certificate and SM2 elliptic curve > public key cryptography: > > * GM/T 0003.1-2012 > * GM/T 0003.2-2012 > * GM/T 0003.3-2012 > * GM/T 0003.4-2012 > * GM/T 0003.5-2012 > * GM/T 0015-2012 > * GM/T 0009-2012 > > IETF: https://tools.ietf.org/html/draft-shen-sm2-ecdsa-02 > oscca: http://www.oscca.gov.cn/sca/xxgk/2010-12/17/content_1002386.shtml > scctc: http://www.gmbz.org.cn/main/bzlb.html > > These patchs add the OID object identifier defined by OSCCA. The > x509 certificate supports sm2-with-sm3 type certificate parsing > and verification. > > The sm2 algorithm is based on libgcrypt's mpi implementation, and has > made some additions to the kernel's original mpi library, and added the > implementation of ec to better support elliptic curve-like algorithms. > > sm2 has good support in both openssl and gnupg projects, and sm3 and sm4 > of the OSCCA algorithm family have also been implemented in the kernel. > > Among them, sm3 and sm4 have been well implemented in the kernel. > This group of patches has newly introduced sm2. In order to implement > sm2 more perfectly, I expanded the mpi library and introduced the > ec implementation of the mpi library as the basic algorithm. Compared > to the kernel's crypto/ecc.c, the implementation of mpi/ec.c is more > complete and elegant, sm2 is implemented based on these algorithms. Does it use constant-time algorithms? Thanks, > > --- > v3 changes: > 1. integrity asymmetric digsig support sm2-with-sm3 algorithm. > 2. remove unused sm2_set_priv_key(). > 3. rebase on mainline. > > v2 changes: > 1. simplify the sm2 algorithm and only retain the verify function. > 2. extract the sm2 certificate code into a separate file. > > Tianjia Zhang (8): > crypto: sm3 - export crypto_sm3_final function > lib/mpi: Extend the MPI library > lib/mpi: Introduce ec implementation to MPI library > crypto: sm2 - introduce OSCCA SM2 asymmetric cipher algorithm > crypto: testmgr - support test with different ciphertext per > encryption > X.509: support OSCCA certificate parse > X.509: support OSCCA sm2-with-sm3 certificate verification > integrity: Asymmetric digsig supports SM2-with-SM3 algorithm > > crypto/Kconfig | 17 + > crypto/Makefile | 8 + > crypto/asymmetric_keys/Makefile | 1 + > crypto/asymmetric_keys/public_key.c | 6 + > crypto/asymmetric_keys/public_key_sm2.c | 59 + > crypto/asymmetric_keys/x509_cert_parser.c | 14 +- > crypto/asymmetric_keys/x509_public_key.c | 2 + > crypto/sm2.c | 473 +++++++ > crypto/sm2signature.asn1 | 4 + > crypto/sm3_generic.c | 7 +- > crypto/testmgr.c | 7 +- > include/crypto/public_key.h | 14 + > include/crypto/sm2.h | 25 + > include/crypto/sm3.h | 2 + > include/linux/mpi.h | 193 +++ > include/linux/oid_registry.h | 6 + > lib/mpi/Makefile | 6 + > lib/mpi/ec.c | 1538 +++++++++++++++++++++ > lib/mpi/mpi-add.c | 207 +++ > lib/mpi/mpi-bit.c | 251 ++++ > lib/mpi/mpi-cmp.c | 46 +- > lib/mpi/mpi-div.c | 259 ++++ > lib/mpi/mpi-internal.h | 53 + > lib/mpi/mpi-inv.c | 143 ++ > lib/mpi/mpi-mod.c | 155 +++ > lib/mpi/mpi-mul.c | 166 +++ > lib/mpi/mpicoder.c | 336 +++++ > lib/mpi/mpih-div.c | 294 ++++ > lib/mpi/mpih-mul.c | 25 + > lib/mpi/mpiutil.c | 204 +++ > security/integrity/digsig_asymmetric.c | 14 +- > 31 files changed, 4517 insertions(+), 18 deletions(-) > create mode 100644 crypto/asymmetric_keys/public_key_sm2.c > create mode 100644 crypto/sm2.c > create mode 100644 crypto/sm2signature.asn1 > create mode 100644 include/crypto/sm2.h > create mode 100644 lib/mpi/ec.c > create mode 100644 lib/mpi/mpi-add.c > create mode 100644 lib/mpi/mpi-div.c > create mode 100644 lib/mpi/mpi-inv.c > create mode 100644 lib/mpi/mpi-mod.c > create mode 100644 lib/mpi/mpi-mul.c > > -- > 2.17.1
