odk: core serialization structs & functions

odk directory copied from wvgerrit.
branch oemcrypto-v16
commit 0c9a7dc

Bug: 140758896
Test: odk_test
Change-Id: I0c631f771b794468a63e4395f6b9c3b60a1dfd4f

libwvdrmengine/oemcrypto/odk/kdo/include/oec_util_proto.h

@@ -0,0 +1,59 @@
+/*
+ * Copyright 2019 Google LLC. All Rights Reserved. This file and proprietary
+ * source code may only be used and distributed under the Widevine Master
+ * License Agreement.
+ */
+
+/*********************************************************************
+ * oec_util_proto.h
+ *
+ * These functions are an extension of those found in oec_util.h.  The
+ * difference is that these use the license and provisioning messages
+ * in protobuf format to create the core message.
+ *********************************************************************/
+
+#ifndef OEC_UTIL_PROTO_H_
+#define OEC_UTIL_PROTO_H_
+
+#include <cstdint>
+#include <string>
+
+#include "license_protocol.pb.h"
+#include "oec_util.h"
+
+using namespace std;
+using video_widevine::License;
+using video_widevine::License_KeyContainer;
+
+namespace oec_util {
+
+// @ public create response (serializer) functions
+
+/**
+ * Counterpart (serializer) of ODK_ParseLicense (deserializer)
+ *
+ * Parameters:
+ *   [in] license
+ *   [in] core_request
+ *   [out] oemcrypto_core_message
+ */
+bool CreateCoreLicenseResponse(const video_widevine::License& license,
+                               const ODK_LicenseRequest& core_request,
+                               string* oemcrypto_core_message);
+
+/**
+ * Counterpart (serializer) of ODK_ParseProvisioning (deserializer)
+ *
+ * Parameters:
+ *   [in] provisioning_response
+ *   [in] core_request
+ *   [out] oemcrypto_core_message
+ */
+bool CreateCoreProvisioningResponse(
+    const video_widevine::ProvisioningResponse& provisioning_response,
+    const ODK_ProvisioningRequest& core_request,
+    string* oemcrypto_core_message);
+
+}  // namespace oec_util
+
+#endif  // OEC_UTIL_PROTO_H_