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 Apache License 2.0 (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
12 #ifndef OSSL_CRYPTO_SM2_H
13 # define OSSL_CRYPTO_SM2_H
14 # include <openssl/opensslconf.h>
16 # ifndef OPENSSL_NO_SM2
18 # include <openssl/ec.h>
20 /* The default user id as specified in GM/T 0009-2012 */
21 # define SM2_DEFAULT_USERID "1234567812345678"
23 int sm2_compute_z_digest(uint8_t *out,
30 * SM2 signature operation. Computes Z and then signs H(Z || msg) using SM2
32 ECDSA_SIG *sm2_do_sign(const EC_KEY *key,
36 const uint8_t *msg, size_t msg_len);
38 int sm2_do_verify(const EC_KEY *key,
40 const ECDSA_SIG *signature,
43 const uint8_t *msg, size_t msg_len);
46 * SM2 signature generation.
48 int sm2_sign(const unsigned char *dgst, int dgstlen,
49 unsigned char *sig, unsigned int *siglen, EC_KEY *eckey);
52 * SM2 signature verification.
54 int sm2_verify(const unsigned char *dgst, int dgstlen,
55 const unsigned char *sig, int siglen, EC_KEY *eckey);
60 int sm2_ciphertext_size(const EC_KEY *key, const EVP_MD *digest, size_t msg_len,
63 int sm2_plaintext_size(const EC_KEY *key, const EVP_MD *digest, size_t msg_len,
66 int sm2_encrypt(const EC_KEY *key,
70 uint8_t *ciphertext_buf, size_t *ciphertext_len);
72 int sm2_decrypt(const EC_KEY *key,
74 const uint8_t *ciphertext,
75 size_t ciphertext_len, uint8_t *ptext_buf, size_t *ptext_len);
77 # endif /* OPENSSL_NO_SM2 */