1 files changed, 33 insertions, 0 deletions
diff --git a/src/librbd/crypto/Utils.h b/src/librbd/crypto/Utils.h
new file mode 100644
index 000000000..ffac08c83
--- /dev/null
+++ b/src/librbd/crypto/Utils.h
@@ -0,0 +1,33 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#ifndef CEPH_LIBRBD_CRYPTO_UTILS_H
+#define CEPH_LIBRBD_CRYPTO_UTILS_H
+
+#include "include/Context.h"
+
+namespace librbd {
+
+struct ImageCtx;
+
+namespace crypto {
+
+class CryptoInterface;
+template <typename> class EncryptionFormat;
+
+namespace util {
+
+template <typename ImageCtxT = librbd::ImageCtx>
+void set_crypto(ImageCtxT *image_ctx,
+                decltype(ImageCtxT::encryption_format) encryption_format);
+
+int build_crypto(
+        CephContext* cct, const unsigned char* key, uint32_t key_length,
+        uint64_t block_size, uint64_t data_offset,
+        std::unique_ptr<CryptoInterface>* result_crypto);
+
+} // namespace util
+} // namespace crypto
+} // namespace librbd
+
+#endif // CEPH_LIBRBD_CRYPTO_UTILS_H