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* crypto: sm2 - Fix crash caused by uninitialized contextTianjia Zhang2023-09-201-1/+5
| | | | | | | | | | | In sm2_compute_z_digest() function, the newly allocated structure mpi_ec_ctx is used, but forget to initialize it, which will cause a crash when performing subsequent operations. Fixes: e5221fa6a355 ("KEYS: asymmetric: Move sm2 code into x509_public_key") Cc: stable@vger.kernel.org # v6.5 Signed-off-by: Tianjia Zhang <tianjia.zhang@linux.alibaba.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* KEYS: asymmetric: Move sm2 code into x509_public_keyHerbert Xu2023-06-231-36/+70
| | | | | | | | The sm2 certificate requires a modified digest. Move the code for the hashing from the signature verification path into the code where we generate the digest. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: add __init/__exit annotations to init/exit funcsXiu Jianfeng2022-09-241-2/+2
| | | | | | | Add missing __init/__exit annotations to init/exit funcs. Signed-off-by: Xiu Jianfeng <xiujianfeng@huawei.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: cleanup commentsTom Rix2022-03-031-1/+1
| | | | | | | | | | | | | | | | | | | For spdx /* */ for *.h, // for *.c Space before spdx tag Replacements paramenters to parameters aymmetric to asymmetric sigature to signature boudary to boundary compliled to compiled eninges to engines explicity to explicitly Signed-off-by: Tom Rix <trix@redhat.com> Acked-by: Jarkko Sakkinen <jarkko@kernel.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: sm2 - make dependent on sm3 libraryTianjia Zhang2022-01-281-19/+19
| | | | | | | | | SM3 generic library is stand-alone implementation, it is necessary for the calculation of sm2 z digest to depends on SM3 library instead of sm3-generic. Signed-off-by: Tianjia Zhang <tianjia.zhang@linux.alibaba.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: sm2 - fix a memory leak in sm2Hongbo Li2021-06-111-14/+10
| | | | | | | | | | | | | SM2 module alloc ec->Q in sm2_set_pub_key(), when doing alg test in test_akcipher_one(), it will set public key for every test vector, and don't free ec->Q. This will cause a memory leak. This patch alloc ec->Q in sm2_ec_ctx_init(). Fixes: ea7ecb66440b ("crypto: sm2 - introduce OSCCA SM2 asymmetric cipher algorithm") Signed-off-by: Hongbo Li <herberthbli@tencent.com> Reviewed-by: Tianjia Zhang <tianjia.zhang@linux.alibaba.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: sm2 - remove unnecessary reset operationsTianjia Zhang2020-10-301-46/+29
| | | | | | | | | | This is an algorithm optimization. The reset operation when setting the public key is repeated and redundant, so remove it. At the same time, `sm2_ecc_os2ec()` is optimized to make the function more simpler and more in line with the Linux code style. Signed-off-by: Tianjia Zhang <tianjia.zhang@linux.alibaba.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: sm2 - introduce OSCCA SM2 asymmetric cipher algorithmTianjia Zhang2020-09-251-0/+481
This new module implement the SM2 public key algorithm. It was published by State Encryption Management Bureau, China. List of specifications for 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 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 Signed-off-by: Tianjia Zhang <tianjia.zhang@linux.alibaba.com> Tested-by: Xufeng Zhang <yunbo.xufeng@linux.alibaba.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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