HashBuilder.h

// Copyright 2024 Espressif Systems (Shanghai) PTE LTD
//
// Licensed 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.

#ifndef HashBuilder_h
#define HashBuilder_h

#include <WString.h>
#include <Stream.h>

#include "HEXBuilder.h"

class HashBuilder : public HEXBuilder
{
public:
    virtual ~HashBuilder() {}
    virtual void begin() = 0;

    virtual void add(const uint8_t* data, size_t len) = 0;
    virtual void add(const char* data)
    {
        add((const uint8_t*)data, strlen(data));
    }
    virtual void add(String data)
    {
        add(data.c_str());
    }

    virtual void addHexString(const char* data) = 0;
    virtual void addHexString(String data)
    {
        addHexString(data.c_str());
    }

    virtual bool addStream(Stream& stream, const size_t maxLen) = 0;
    virtual void calculate() = 0;
    virtual void getBytes(uint8_t* output) = 0;
    virtual void getChars(char* output) = 0;
    virtual String toString() = 0;
};

#endif