mirror of https://github.com/openssl/openssl
79 lines
2.5 KiB
C
79 lines
2.5 KiB
C
/*
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* Copyright 2017-2018 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 Apache License 2.0 (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 OSSL_CRYPTO_SM2_H
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# define OSSL_CRYPTO_SM2_H
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# include <openssl/opensslconf.h>
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# ifndef OPENSSL_NO_SM2
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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_z_digest(uint8_t *out,
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const EVP_MD *digest,
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const uint8_t *id,
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const size_t id_len,
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const EC_KEY *key);
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/*
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* SM2 signature operation. Computes Z and then signs H(Z || 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 uint8_t *id,
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const size_t id_len,
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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 uint8_t *id,
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const size_t id_len,
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const uint8_t *msg, size_t msg_len);
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/*
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* SM2 signature generation.
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*/
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int sm2_sign(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.
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*/
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int sm2_verify(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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int sm2_ciphertext_size(const EC_KEY *key, const EVP_MD *digest, size_t msg_len,
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size_t *ct_size);
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int sm2_plaintext_size(const EC_KEY *key, const EVP_MD *digest, size_t msg_len,
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size_t *pt_size);
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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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# endif /* OPENSSL_NO_SM2 */
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#endif
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