Index: media/crypto/decryptor_helpers.h |
diff --git a/media/crypto/decryptor_helpers.h b/media/crypto/decryptor_helpers.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..9395fc5da0b4ca4c461538d0e97d9d0fd26764e6 |
--- /dev/null |
+++ b/media/crypto/decryptor_helpers.h |
@@ -0,0 +1,21 @@ |
+// Copyright (c) 2012 The Chromium Authors. All rights reserved. |
ddorwin
2012/09/01 16:46:41
Are there likely to be more functions in this file
fgalligan1
2013/03/09 01:10:59
Done.
|
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#ifndef MEDIA_CRYPTO_DECRYPTOR_HELPERS_H_ |
+#define MEDIA_CRYPTO_DECRYPTOR_HELPERS_H_ |
+ |
+#include "base/basictypes.h" |
+ |
+#include <string> |
xhwang
2012/08/29 05:08:14
c++ headers should go before chromium headers. So
fgalligan1
2013/03/09 01:10:59
Done.
|
+ |
+namespace media { |
+ |
+// Generates a 16 byte CTR counter block. The CTR counter block format is a |
+// CTR IV appended with a CTR block counter. |iv| is an 8 byte CTR IV. |
+// Returns a string of kDecryptionKeySize bytes. |
+std::string GenerateCounterBlock(uint64 iv); |
ddorwin
2012/09/01 16:46:41
GenerateWebMCounterBlock?
fgalligan1
2013/03/09 01:10:59
Done.
|
+ |
+} // webkit_media |
xhwang
2012/08/29 05:08:14
This should be "// namespace media"
fgalligan1
2013/03/09 01:10:59
Done.
|
+ |
+#endif // MEDIA_CRYPTO_DECRYPTOR_HELPERS_H_ |