Widevine MediaCas client code that works with Android R

oemcrypto/test/wvcrc32.h

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+// Copyright 2018 Google LLC. All Rights Reserved. This file and proprietary
+// source code may only be used and distributed under the Widevine Master
+// License Agreement.
+//
+// Compute CRC32 Checksum. Needed for verification of WV Keybox.
+//
+#ifndef CDM_WVCRC32_H_
+#define CDM_WVCRC32_H_
+
+#include <stdint.h>
+
+namespace wvoec {
+
+uint32_t wvcrc32(const uint8_t* p_begin, int i_count);
+uint32_t wvcrc32Init();
+uint32_t wvcrc32Cont(const uint8_t* p_begin, int i_count, uint32_t prev_crc);
+
+// Convert to network byte order
+uint32_t wvcrc32n(const uint8_t* p_begin, int i_count);
+
+}  // namespace wvoec
+
+#endif  // CDM_WVCRC32_H_