/* crypto/sm2/sm2.h */ /* ==================================================================== * Copyright (c) 2015 The GmSSL Project. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * 3. All advertising materials mentioning features or use of this * software must display the following acknowledgment: * "This product includes software developed by the GmSSL Project. * (http://gmssl.org/)" * * 4. The name "GmSSL Project" must not be used to endorse or promote * products derived from this software without prior written * permission. For written permission, please contact * guanzhi1980@gmail.com. * * 5. Products derived from this software may not be called "GmSSL" * nor may "GmSSL" appear in their names without prior written * permission of the GmSSL Project. * * 6. Redistributions of any form whatsoever must retain the following * acknowledgment: * "This product includes software developed by the GmSSL Project * (http://gmssl.org/)" * * THIS SOFTWARE IS PROVIDED BY THE GmSSL PROJECT ``AS IS'' AND ANY * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE GmSSL PROJECT OR * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED * OF THE POSSIBILITY OF SUCH DAMAGE. * ==================================================================== * */ #ifndef HEADER_SM2_H #define HEADER_SM2_H #include #include #include #include #include #include #ifdef __cplusplus extern "C" { #endif #define SM2_MAX_ID_BITS 65535 #define SM2_MAX_ID_LENGTH 8191 #define SM2_DEFAULT_POINT_CONVERSION_FORM POINT_CONVERSION_UNCOMPRESSED typedef struct sm2_ciphertext_value_st { EC_POINT *ephem_point; unsigned char *ciphertext; size_t ciphertext_size; unsigned char mactag[EVP_MAX_MD_SIZE]; unsigned int mactag_size; } SM2_CIPHERTEXT_VALUE; char *SM2_get_id(EC_KEY *ec_key); int SM2_set_id(EC_KEY *ec_key, const char *id); int SM2_compute_id_digest(unsigned char *dgst, unsigned int *dgstlen, const EVP_MD *md, const void *id, size_t idlen, EC_KEY *ec_key); int SM2_CIPHERTEXT_VALUE_size(const EC_GROUP *ec_group, point_conversion_form_t point_form, size_t mlen, const EVP_MD *mac_md); void SM2_CIPHERTEXT_VALUE_free(SM2_CIPHERTEXT_VALUE *cv); int SM2_CIPHERTEXT_VALUE_encode(const SM2_CIPHERTEXT_VALUE *cv, const EC_GROUP *ec_group, point_conversion_form_t point_form, unsigned char *buf, size_t *buflen); SM2_CIPHERTEXT_VALUE *SM2_CIPHERTEXT_VALUE_decode(const EC_GROUP *ec_group, point_conversion_form_t point_form, const EVP_MD *mac_md, const unsigned char *buf, size_t buflen); int SM2_CIPHERTEXT_VALUE_print(BIO *out, const EC_GROUP *ec_group, const SM2_CIPHERTEXT_VALUE *cv, int indent, unsigned long flags); SM2_CIPHERTEXT_VALUE *SM2_do_encrypt(const EVP_MD *kdf_md, const EVP_MD *mac_md, const unsigned char *in, size_t inlen, EC_KEY *ec_key); int SM2_do_decrypt(const EVP_MD *kdf_md, const EVP_MD *mac_md, const SM2_CIPHERTEXT_VALUE *cv, unsigned char *out, size_t *outlen, EC_KEY *ec_key); int SM2_encrypt(const EVP_MD *kdf_md, const EVP_MD *mac_md, point_conversion_form_t point_form, const unsigned char *in, size_t inlen, unsigned char *out, size_t *outlen, EC_KEY *ec_key); int SM2_decrypt(const EVP_MD *kdf_md, const EVP_MD *mac_md, point_conversion_form_t point_form, const unsigned char *in, size_t inlen, unsigned char *out, size_t *outlen, EC_KEY *ec_key); #define SM2_signature_size(ec_key) ECDSA_size(ec_key) int SM2_sign_setup(EC_KEY *ec_key, BN_CTX *ctx, BIGNUM **a, BIGNUM **b); ECDSA_SIG *SM2_do_sign_ex(const unsigned char *dgst, int dgstlen, const BIGNUM *a, const BIGNUM *b, EC_KEY *ec_key); ECDSA_SIG *SM2_do_sign(const unsigned char *dgst, int dgst_len, EC_KEY *ec_key); int SM2_do_verify(const unsigned char *dgst, int dgstlen, const ECDSA_SIG *sig, EC_KEY *ec_key); int SM2_sign_ex(int type, const unsigned char *dgst, int dgstlen, unsigned char *sig, unsigned int *siglen, const BIGNUM *k, const BIGNUM *x, EC_KEY *ec_key); int SM2_sign(int type, const unsigned char *dgst, int dgstlen, unsigned char *sig, unsigned int *siglen, EC_KEY *eckey); int SM2_verify(int type, const unsigned char *dgst, int dgstlen, const unsigned char *sig, int siglen, EC_KEY *ec_key); void ERR_load_SM2_strings(void); /* Function codes. */ #define SM2_F_SM2_SET_ID 100 #define SM2_F_SM2_GET_ID 101 #define SM2_F_SM2_COMPUTE_ID_DIGEST 102 #define SM2_F_SM2_CIPHERTEXT_VALUE_SIZE 103 #define SM2_F_SM2_CIPHERTEXT_VALUE_FREE 104 #define SM2_F_SM2_CIPHERTEXT_VALUE_ENCODE 105 #define SM2_F_SM2_CIPHERTEXT_VALUE_DECODE 106 #define SM2_F_SM2_CIPHERTEXT_VALUE_PRINT 107 #define SM2_F_SM2_DO_ENCRYPT 108 #define SM2_F_SM2_DO_DECRYPT 109 #define SM2_F_SM2_ENCRYPT 110 #define SM2_F_SM2_DECRYPT 111 #define SM2_SIGNATURE_SIZE 112 #define SM2_SIGN_SETUP 113 #define SM2_DO_SIGN_EX 114 #define SM2_DO_SIGN 115 #define SM2_DO_VERIFY 116 #define SM2_SIGN_EX 117 #define SM2_SIGN 118 #define SM2_VERIFY 119 /* Reason codes. */ #define SM2_R_BAD_DATA 100 #define SM2_R_UNKNOWN_CIPHER_TYPE 101 #define SM2_R_ENCRYPT_FAILED 102 #define SM2_R_DECRYPT_FAILED 103 #define SM2_R_UNKNOWN_MAC_TYPE 104 #define SM2_R_GEN_MAC_FAILED 105 #define SM2_R_VERIFY_MAC_FAILED 106 #define SM2_R_ECDH_FAILED 107 #define SM2_R_BUFFER_TOO_SMALL 108 #ifdef __cplusplus } #endif #endif