1 files changed, 67 insertions, 0 deletions
diff --git a/src/librbd/crypto/luks/EncryptionFormat.h b/src/librbd/crypto/luks/EncryptionFormat.h
new file mode 100644
index 000000000..8c45cf9ca
--- /dev/null
+++ b/src/librbd/crypto/luks/EncryptionFormat.h
@@ -0,0 +1,67 @@
+// -*- 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