// Licensed to the Apache Software Foundation (ASF) under one

// or more contributor license agreements.  See the NOTICE file

// distributed with this work for additional information

// regarding copyright ownership.  The ASF licenses this file

// to you under the Apache License, Version 2.0 (the

// "License"); you may not use this file except in compliance

// with the License.  You may obtain a copy of the License at

//

//   http://www.apache.org/licenses/LICENSE-2.0

//

// Unless required by applicable law or agreed to in writing,

// software distributed under the License is distributed on an

// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY

// KIND, either express or implied.  See the License for the

// specific language governing permissions and limitations

// under the License.

#pragma once

#define SM3_DIGEST_LENGTH 32

#include <openssl/ossl_typ.h>

#include <stddef.h>

#include <string>

namespace doris {

class SM3Digest {

public:

    SM3Digest();

    ~SM3Digest();

    void update(const void* data, size_t length);

    void digest();

    const std::string& hex() const { return _hex; }

private:

    EVP_MD_CTX* _ctx = nullptr;

    const EVP_MD* _md = nullptr;

    std::string _hex;

};

} // namespace doris