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/*
* Distributed under the OSI-approved Apache License, Version 2.0. See
* accompanying file Copyright.txt for details.
*
* EncryptionOperator.h
*
* Created on: Dec 7, 2021
* Author: Caitlin Ross <caitlin.ross@kitware.com>
*/
#ifndef ENCRYPTIONOPERATOR_H_
#define ENCRYPTIONOPERATOR_H_
#include <memory>
#include "adios2/common/ADIOSTypes.h"
#include "adios2/operator/plugin/PluginOperatorInterface.h"
namespace adios2
{
namespace plugin
{
/** EncryptionOperator that uses libsodium. Secret-key encryption is used.
* The user must provide the 'SecretKeyFile' param with a path to the secret
* key. If this file exists, it will use the key in the file (which should
* have been generated using libsodium's crypto_secretbox_keygen().)
* If the file doesn't exist, the operator will generate it using this call
* and write it out to the specified file.
*/
class EncryptionOperator : public PluginOperatorInterface
{
public:
EncryptionOperator(const Params ¶meters);
virtual ~EncryptionOperator();
size_t Operate(const char *dataIn, const Dims &blockStart, const Dims &blockCount,
const DataType type, char *bufferOut) override;
size_t InverseOperate(const char *bufferIn, const size_t sizeIn, char *dataOut) override;
bool IsDataTypeValid(const DataType type) const override;
size_t GetEstimatedSize(const size_t ElemCount, const size_t ElemSize, const size_t ndims,
const size_t *dims) const override;
private:
struct EncryptImpl;
std::unique_ptr<EncryptImpl> Impl;
};
} // end namespace plugin
} // end namespace adios2
extern "C" {
adios2::plugin::EncryptionOperator *OperatorCreate(const adios2::Params ¶meters);
void OperatorDestroy(adios2::plugin::EncryptionOperator *obj);
}
#endif /* ENCYRPTIONOPERATOR_H_ */
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