2 * Copyright 2017-2018 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
14 # include <openssl/opensslconf.h>
16 # ifndef OPENSSL_NO_SM2
22 # include <openssl/ec.h>
24 /* The default user id as specified in GM/T 0009-2012 */
25 # define SM2_DEFAULT_USERID "1234567812345678"
27 int SM2_compute_userid_digest(uint8_t *out,
29 const char *user_id, const EC_KEY *key);
32 * SM2 signature operation. Computes ZA (user id digest) and then signs
33 * H(ZA || msg) using SM2
35 ECDSA_SIG *SM2_do_sign(const EC_KEY *key,
37 const char *user_id, const uint8_t *msg, size_t msg_len);
39 int SM2_do_verify(const EC_KEY *key,
41 const ECDSA_SIG *signature,
42 const char *user_id, const uint8_t *msg, size_t msg_len);
45 * SM2 signature generation. Assumes input is an SM3 digest
47 int SM2_sign(int type, const unsigned char *dgst, int dgstlen,
48 unsigned char *sig, unsigned int *siglen, EC_KEY *eckey);
51 * SM2 signature verification. Assumes input is an SM3 digest
53 int SM2_verify(int type, const unsigned char *dgst, int dgstlen,
54 const unsigned char *sig, int siglen, EC_KEY *eckey);
60 size_t SM2_ciphertext_size(const EC_KEY *key,
64 size_t SM2_plaintext_size(const EC_KEY *key,
68 int SM2_encrypt(const EC_KEY *key,
72 uint8_t *ciphertext_buf, size_t *ciphertext_len);
74 int SM2_decrypt(const EC_KEY *key,
76 const uint8_t *ciphertext,
77 size_t ciphertext_len, uint8_t *ptext_buf, size_t *ptext_len);
79 int ERR_load_SM2_strings(void);
85 # endif /* OPENSSL_NO_SM2 */