data_protector.h

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#pragma once

#include <cstddef>
#include <cstdint>

namespace mongo {

class Status;

class DataProtector {
public:
    virtual ~DataProtector() = default;

    virtual Status protect(const std::uint8_t* in,
                           std::size_t inLen,
                           std::uint8_t* out,
                           std::size_t outLen,
                           std::size_t* bytesWritten) = 0;

    virtual Status finalize(std::uint8_t* out, std::size_t outLen, std::size_t* bytesWritten) = 0;

    virtual std::size_t getNumberOfBytesReservedForTag() const = 0;

    virtual Status finalizeTag(std::uint8_t* out,
                               std::size_t outLen,
                               std::size_t* bytesWritten) = 0;
};

}  // namespace mongo