1 files changed, 52 insertions, 0 deletions
diff --git a/src/rgw/rgw_kms.h b/src/rgw/rgw_kms.h
new file mode 100644
index 000000000..e06b8038b
--- /dev/null
+++ b/src/rgw/rgw_kms.h
@@ -0,0 +1,52 @@
+// -*- mode:C; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+/**
+ * Server-side encryption integrations with Key Management Systems (SSE-KMS)
+ */
+
+#ifndef CEPH_RGW_KMS_H
+#define CEPH_RGW_KMS_H
+
+static const std::string RGW_SSE_KMS_BACKEND_TESTING = "testing";
+static const std::string RGW_SSE_KMS_BACKEND_BARBICAN = "barbican";
+static const std::string RGW_SSE_KMS_BACKEND_VAULT = "vault";
+static const std::string RGW_SSE_KMS_BACKEND_KMIP = "kmip";
+
+static const std::string RGW_SSE_KMS_VAULT_AUTH_TOKEN = "token";
+static const std::string RGW_SSE_KMS_VAULT_AUTH_AGENT = "agent";
+
+static const std::string RGW_SSE_KMS_VAULT_SE_TRANSIT = "transit";
+static const std::string RGW_SSE_KMS_VAULT_SE_KV = "kv";
+
+static const std::string RGW_SSE_KMS_KMIP_SE_KV = "kv";
+
+/**
+ * Retrieves the actual server-side encryption key from a KMS system given a
+ * key ID. Currently supported KMS systems are OpenStack Barbican and HashiCorp
+ * Vault, but keys can also be retrieved from Ceph configuration file (if
+ * kms is set to 'local').
+ *
+ * \params
+ * TODO
+ * \return
+ */
+int make_actual_key_from_kms(CephContext *cct,
+                            map<string, bufferlist>& attrs,
+                            std::string& actual_key);
+int reconstitute_actual_key_from_kms(CephContext *cct,
+                            map<string, bufferlist>& attrs,
+                            std::string& actual_key);
+
+/**
+ * SecretEngine Interface
+ * Defining interface here such that we can use both a real implementation
+ * of this interface, and a mock implementation in tests.
+**/
+class SecretEngine {
+
+public:
+  virtual int get_key(std::string_view key_id, std::string& actual_key) = 0;
+  virtual ~SecretEngine(){};
+};
+#endif