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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
#ifndef CEPH_LIBRBD_CRYPTO_LUKS_ENCRYPTION_FORMAT_H
#define CEPH_LIBRBD_CRYPTO_LUKS_ENCRYPTION_FORMAT_H
#include "include/rbd/librbd.hpp"
#include "librbd/crypto/EncryptionFormat.h"
namespace librbd {
struct ImageCtx;
namespace crypto {
namespace luks {
template <typename ImageCtxT>
class EncryptionFormat : public crypto::EncryptionFormat<ImageCtxT> {
public:
EncryptionFormat(encryption_algorithm_t alg, std::string&& passphrase);
~EncryptionFormat();
void format(ImageCtxT* ictx, Context* on_finish) override;
void load(ImageCtxT* ictx, Context* on_finish) override;
ceph::ref_t<CryptoInterface> get_crypto() override {
return m_crypto;
}
private:
virtual encryption_format_t get_format() = 0;
encryption_algorithm_t m_alg;
std::string m_passphrase;
ceph::ref_t<CryptoInterface> m_crypto;
};
template <typename ImageCtxT>
class LUKS1EncryptionFormat : public EncryptionFormat<ImageCtxT> {
using EncryptionFormat<ImageCtxT>::EncryptionFormat;
encryption_format_t get_format() override {
return RBD_ENCRYPTION_FORMAT_LUKS1;
}
};
template <typename ImageCtxT>
class LUKS2EncryptionFormat : public EncryptionFormat<ImageCtxT> {
using EncryptionFormat<ImageCtxT>::EncryptionFormat;
encryption_format_t get_format() override {
return RBD_ENCRYPTION_FORMAT_LUKS2;
}
};
} // namespace luks
} // namespace crypto
} // namespace librbd
extern template class librbd::crypto::luks::EncryptionFormat<librbd::ImageCtx>;
extern template class librbd::crypto::luks::LUKS1EncryptionFormat<
librbd::ImageCtx>;
extern template class librbd::crypto::luks::LUKS2EncryptionFormat<
librbd::ImageCtx>;
#endif // CEPH_LIBRBD_CRYPTO_LUKS_ENCRYPTION_FORMAT_H
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