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Init commit of gmssl-v3

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Zhi Guan
2021-07-13 19:21:43 +08:00
commit 0af5775be3
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include/gmssl/sm9.h Normal file
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/*
* Copyright (c) 2016 - 2021 The GmSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the GmSSL Project.
* (http://gmssl.org/)"
*
* 4. The name "GmSSL Project" must not be used to endorse or promote
* products derived from this software without prior written
* permission. For written permission, please contact
* guanzhi1980@gmail.com.
*
* 5. Products derived from this software may not be called "GmSSL"
* nor may "GmSSL" appear in their names without prior written
* permission of the GmSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the GmSSL Project
* (http://gmssl.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE GmSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE GmSSL PROJECT OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef GMSSL_SM9_H
#define GMSSL_SM9_H
#ifdef __cplusplus
extern "C" {
#endif
// set the same value as sm2
#define SM9_MAX_ID_BITS 65535
#define SM9_MAX_ID_SIZE (SM9_MAX_ID_BITS/8)
typedef struct {
uint8_t x[32];
uint8_t y[32];
} SM9_POINT;
typedef struct {
uint8_t x[64];
uint8_t y[64];
} SM9_TWIST_POINT;
typedef struct {
uint8_t ks[32];
SM9_TWIST_POINT Ppubs; // Ppubs = ks * P2
} SM9_SIGN_MASTER_KEY;
typedef struct {
SM9_POINT ds;
} SM9_SIGN_KEY;
typedef struct {
uint8_t h[32];
SM9_TWIST_POINT S;
} SM9_SIGNATURE;
int sm9_sign_setup(SM9_SIGN_MASTER_KEY *msk);
int sm9_sign_keygen(SM9_SIGN_MASTER_KEY *msk, const char *id, size_t idlen, SM9_POINT *ds);
int sm9_do_sign(SM9_SIGN_KEY *key, const uint8_t dgst[32], SM9_SIGNATURE *sig);
int sm9_do_verify(SM9_SIGN_KEY *key, const uint8_t dgst[32], const SM9_SIGNATURE *sig);
# ifdef __cplusplus
}
# endif
# endif