diff options
| author | Tianjia Zhang <tianjia.zhang@linux.alibaba.com> | 2020-09-21 00:20:57 +0800 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2020-09-25 17:48:54 +1000 |
| commit | ea7ecb66440b37c035e899c60ceaf7a03d364930 (patch) | |
| tree | a65ecb14e4676b917e3e49169e19bd261c4f0cbf /include/crypto/sm2.h | |
| parent | d58bb7e55a8a65894cc02f27c3e2bf9403e7c40f (diff) | |
crypto: sm2 - introduce OSCCA SM2 asymmetric cipher algorithm
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>
Diffstat (limited to 'include/crypto/sm2.h')
| -rw-r--r-- | include/crypto/sm2.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/include/crypto/sm2.h b/include/crypto/sm2.h new file mode 100644 index 000000000000..af452556dcd4 --- /dev/null +++ b/include/crypto/sm2.h @@ -0,0 +1,25 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * sm2.h - SM2 asymmetric public-key algorithm + * as specified by OSCCA GM/T 0003.1-2012 -- 0003.5-2012 SM2 and + * described at https://tools.ietf.org/html/draft-shen-sm2-ecdsa-02 + * + * Copyright (c) 2020, Alibaba Group. + * Written by Tianjia Zhang <tianjia.zhang@linux.alibaba.com> + */ + +#ifndef _CRYPTO_SM2_H +#define _CRYPTO_SM2_H + +#include <crypto/sm3.h> +#include <crypto/akcipher.h> + +/* The default user id as specified in GM/T 0009-2012 */ +#define SM2_DEFAULT_USERID "1234567812345678" +#define SM2_DEFAULT_USERID_LEN 16 + +extern int sm2_compute_z_digest(struct crypto_akcipher *tfm, + const unsigned char *id, size_t id_len, + unsigned char dgst[SM3_DIGEST_SIZE]); + +#endif /* _CRYPTO_SM2_H */ |