DigestInterface.h

Go to the documentation of this file.

/*
 * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License").
 * You may not use this file except in compliance with the License.
 * A copy of the License is located at
 *
 *     http://aws.amazon.com/apache2.0/
 *
 * or in the "license" file accompanying this file. This file 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 ACSDK_CRYPTOINTERFACES_DIGESTINTERFACE_H_
#define ACSDK_CRYPTOINTERFACES_DIGESTINTERFACE_H_

#include <string>
#include <vector>

namespace alexaClientSDK {
namespace cryptoInterfaces {

class DigestInterface {
public:
    typedef std::vector<unsigned char> DataBlock;

    virtual ~DigestInterface() noexcept = default;

    virtual bool process(const DataBlock& dataIn) noexcept = 0;

    virtual bool process(DataBlock::const_iterator begin, DataBlock::const_iterator end) noexcept = 0;

    virtual bool processByte(unsigned char value) noexcept = 0;

    virtual bool processUInt8(uint8_t value) noexcept = 0;

    virtual bool processUInt16(uint16_t value) noexcept = 0;

    virtual bool processUInt32(uint32_t value) noexcept = 0;

    virtual bool processUInt64(uint64_t value) noexcept = 0;

    virtual bool processString(const std::string& value) noexcept = 0;

    virtual bool finalize(DataBlock& dataOut) noexcept = 0;

    virtual bool reset() noexcept = 0;
};

}  // namespace cryptoInterfaces
}  // namespace alexaClientSDK

#endif  // ACSDK_CRYPTOINTERFACES_DIGESTINTERFACE_H_