2 * Copyright 2017 The OpenSSL Project Authors. All Rights Reserved.
3 * Copyright 2017 Ribose Inc. All Rights Reserved.
4 * Ported from Ribose contributions from Botan.
6 * Licensed under the OpenSSL license (the "License"). You may not use
7 * this file except in compliance with the License. You can obtain a copy
8 * in the file LICENSE in the source distribution or at
9 * https://www.openssl.org/source/license.html
15 # include <openssl/ec.h>
17 /* The default user id as specified in GM/T 0009-2012 */
18 # define SM2_DEFAULT_USERID "1234567812345678"
20 int SM2_compute_userid_digest(uint8_t *out,
22 const char *user_id, const EC_KEY *key);
25 * SM2 signature operation. Computes ZA (user id digest) and then signs
26 * H(ZA || msg) using SM2
28 ECDSA_SIG *SM2_do_sign(const EC_KEY *key,
30 const char *user_id, const uint8_t *msg, size_t msg_len);
32 int SM2_do_verify(const EC_KEY *key,
34 const ECDSA_SIG *signature,
35 const char *user_id, const uint8_t *msg, size_t msg_len);
38 * SM2 signature generation. Assumes input is an SM3 digest
40 int SM2_sign(int type, const unsigned char *dgst, int dgstlen,
41 unsigned char *sig, unsigned int *siglen, EC_KEY *eckey);
44 * SM2 signature verification. Assumes input is an SM3 digest
46 int SM2_verify(int type, const unsigned char *dgst, int dgstlen,
47 const unsigned char *sig, int siglen, EC_KEY *eckey);
53 size_t SM2_ciphertext_size(const EC_KEY *key,
57 int SM2_encrypt(const EC_KEY *key,
61 uint8_t *ciphertext_buf, size_t *ciphertext_len);
63 int SM2_decrypt(const EC_KEY *key,
65 const uint8_t *ciphertext,
66 size_t ciphertext_len, uint8_t *ptext_buf, size_t *ptext_len);
68 int ERR_load_SM2_strings(void);