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/test/odk_test.h

@@ -0,0 +1,64 @@
+/*
+ * 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.
+ */
+
+#ifndef ODK_TEST_H_
+#define ODK_TEST_H_
+
+#include "OEMCryptoCENCCommon.h"
+
+typedef enum {
+  ODK_License_Request_Type = 1,
+  ODK_License_Response_Type = 2,
+  ODK_Renewal_Request_Type = 3,
+  ODK_Renewal_Response_Type = 4,
+  ODK_Provisioning_Request_Type = 5,
+  ODK_Provisioning_Response_Type = 6,
+} ODK_MessageType;
+
+typedef enum {
+  ODK_UINT32,
+  ODK_UINT64,
+  ODK_SUBSTRING,
+  ODK_DEVICEID,
+  ODK_HASH,
+  ODK_NUMTYPES,
+} ODK_FieldType;
+
+typedef enum {
+  ODK_READ,
+  ODK_WRITE,
+} ODK_FieldMode;
+
+typedef struct {
+  ODK_FieldType type;
+  void* value;
+} ODK_Field;
+
+#define DEVICE_ID_MAX (64)
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+size_t ODK_FieldLength(ODK_FieldType type);
+OEMCryptoResult ODK_WriteSingleField(uint8_t* const buf,
+                                     const ODK_Field* const field);
+OEMCryptoResult ODK_ReadSingleField(const uint8_t* const buf,
+                                    const ODK_Field* const field);
+
+OEMCryptoResult ODK_ReadFields(const uint8_t* const buf, const size_t size_in,
+                               size_t* size_out, const size_t n,
+                               const ODK_Field* const fields);
+
+OEMCryptoResult ODK_WriteFields(uint8_t* const buf, const size_t size_in,
+                                size_t* size_out, const size_t n,
+                                const ODK_Field* const fields);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif  // ODK_TEST_H_