1 /* $OpenBSD: sm2_local.h,v 1.3 2023/07/28 15:50:33 tb Exp $ */ 2 /* 3 * Copyright (c) 2017, 2019 Ribose Inc 4 * 5 * Permission to use, copy, modify, and/or distribute this software for any 6 * purpose with or without fee is hereby granted, provided that the above 7 * copyright notice and this permission notice appear in all copies. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16 */ 17 18 #ifndef HEADER_SM2_LOCAL_H 19 #define HEADER_SM2_LOCAL_H 20 21 #include <openssl/ec.h> 22 23 __BEGIN_HIDDEN_DECLS 24 25 int sm2_compute_userid_digest(uint8_t *out, const EVP_MD *digest, 26 const uint8_t *uid, size_t uid_len, const EC_KEY *key); 27 28 /* 29 * SM2 signature operation. Computes ZA (user id digest) and then signs 30 * H(ZA || msg) using SM2 31 */ 32 ECDSA_SIG *sm2_do_sign(const EC_KEY *key, const EVP_MD *digest, 33 const uint8_t *uid, size_t uid_len, const uint8_t *msg, size_t msg_len); 34 35 int sm2_do_verify(const EC_KEY *key, const EVP_MD *digest, 36 const ECDSA_SIG *signature, const uint8_t *uid, size_t uid_len, 37 const uint8_t *msg, size_t msg_len); 38 39 __END_HIDDEN_DECLS 40 41 #endif /* !HEADER_SM2_LOCAL_H */ 42