/* * Copyright 2017-2021 The OpenSSL Project Authors. All Rights Reserved. * Copyright 2017 Ribose Inc. All Rights Reserved. * Ported from Ribose contributions from Botan. * * Licensed under the OpenSSL license (the "License"). You may not use * this file except in compliance with the License. You can obtain a copy * in the file LICENSE in the source distribution or at * https://www.openssl.org/source/license.html */ #ifndef OSSL_CRYPTO_SM2_H # define OSSL_CRYPTO_SM2_H # include <openssl/opensslconf.h> # ifndef OPENSSL_NO_SM2 # include <openssl/ec.h> /* The default user id as specified in GM/T 0009-2012 */ # define SM2_DEFAULT_USERID "1234567812345678" int sm2_compute_z_digest(uint8_t *out, const EVP_MD *digest, const uint8_t *id, const size_t id_len, const EC_KEY *key); /* * SM2 signature operation. Computes Z and then signs H(Z || msg) using SM2 */ ECDSA_SIG *sm2_do_sign(const EC_KEY *key, const EVP_MD *digest, const uint8_t *id, const size_t id_len, const uint8_t *msg, size_t msg_len); int sm2_do_verify(const EC_KEY *key, const EVP_MD *digest, const ECDSA_SIG *signature, const uint8_t *id, const size_t id_len, const uint8_t *msg, size_t msg_len); /* * SM2 signature generation. */ int sm2_sign(const unsigned char *dgst, int dgstlen, unsigned char *sig, unsigned int *siglen, EC_KEY *eckey); /* * SM2 signature verification. */ int sm2_verify(const unsigned char *dgst, int dgstlen, const unsigned char *sig, int siglen, EC_KEY *eckey); /* * SM2 encryption */ int sm2_ciphertext_size(const EC_KEY *key, const EVP_MD *digest, size_t msg_len, size_t *ct_size); int sm2_plaintext_size(const unsigned char *ct, size_t ct_size, size_t *pt_size); int sm2_encrypt(const EC_KEY *key, const EVP_MD *digest, const uint8_t *msg, size_t msg_len, uint8_t *ciphertext_buf, size_t *ciphertext_len); int sm2_decrypt(const EC_KEY *key, const EVP_MD *digest, const uint8_t *ciphertext, size_t ciphertext_len, uint8_t *ptext_buf, size_t *ptext_len); # endif /* OPENSSL_NO_SM2 */ #endif