diff options
Diffstat (limited to 'include/crypto/sm2.h')
| -rw-r--r-- | include/crypto/sm2.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/include/crypto/sm2.h b/include/crypto/sm2.h new file mode 100644 index 0000000000..04a92c1013 --- /dev/null +++ b/include/crypto/sm2.h @@ -0,0 +1,28 @@ +/* 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 + +struct shash_desc; + +#if IS_REACHABLE(CONFIG_CRYPTO_SM2) +int sm2_compute_z_digest(struct shash_desc *desc, + const void *key, unsigned int keylen, void *dgst); +#else +static inline int sm2_compute_z_digest(struct shash_desc *desc, + const void *key, unsigned int keylen, + void *dgst) +{ + return -ENOTSUPP; +} +#endif + +#endif /* _CRYPTO_SM2_H */ |