mirror of https://github.com/openssl/openssl
87 lines
2.5 KiB
C
87 lines
2.5 KiB
C
/*
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* Copyright 2017 The OpenSSL Project Authors. All Rights Reserved.
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* Copyright 2017 Ribose Inc. All Rights Reserved.
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* Ported from Ribose contributions from Botan.
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*
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* Licensed under the OpenSSL license (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#ifndef HEADER_SM2_H
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# define HEADER_SM2_H
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# include <openssl/opensslconf.h>
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# ifndef OPENSSL_NO_SM2
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# ifdef __cplusplus
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extern "C" {
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# endif
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# include <openssl/ec.h>
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/* The default user id as specified in GM/T 0009-2012 */
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# define SM2_DEFAULT_USERID "1234567812345678"
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int SM2_compute_userid_digest(uint8_t *out,
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const EVP_MD *digest,
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const char *user_id, const EC_KEY *key);
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/*
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* SM2 signature operation. Computes ZA (user id digest) and then signs
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* H(ZA || msg) using SM2
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*/
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ECDSA_SIG *SM2_do_sign(const EC_KEY *key,
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const EVP_MD *digest,
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const char *user_id, const uint8_t *msg, size_t msg_len);
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int SM2_do_verify(const EC_KEY *key,
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const EVP_MD *digest,
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const ECDSA_SIG *signature,
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const char *user_id, const uint8_t *msg, size_t msg_len);
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/*
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* SM2 signature generation. Assumes input is an SM3 digest
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*/
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int SM2_sign(int type, const unsigned char *dgst, int dgstlen,
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unsigned char *sig, unsigned int *siglen, EC_KEY *eckey);
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/*
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* SM2 signature verification. Assumes input is an SM3 digest
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*/
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int SM2_verify(int type, const unsigned char *dgst, int dgstlen,
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const unsigned char *sig, int siglen, EC_KEY *eckey);
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/*
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* SM2 encryption
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*/
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size_t SM2_ciphertext_size(const EC_KEY *key,
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const EVP_MD *digest,
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size_t msg_len);
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size_t SM2_plaintext_size(const EC_KEY *key,
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const EVP_MD *digest,
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size_t msg_len);
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int SM2_encrypt(const EC_KEY *key,
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const EVP_MD *digest,
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const uint8_t *msg,
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size_t msg_len,
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uint8_t *ciphertext_buf, size_t *ciphertext_len);
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int SM2_decrypt(const EC_KEY *key,
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const EVP_MD *digest,
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const uint8_t *ciphertext,
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size_t ciphertext_len, uint8_t *ptext_buf, size_t *ptext_len);
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int ERR_load_SM2_strings(void);
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# ifdef __cplusplus
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}
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# endif
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# endif /* OPENSSL_NO_SM2 */
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#endif
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