From 563dbf02e9c7ab0066bcebbcde6c662df845695a Mon Sep 17 00:00:00 2001 From: Carl Hetherington Date: Sat, 13 Aug 2016 23:35:39 +0100 Subject: Enable encryption of SMPTE subtitles. Separate out EncryptionContext class to use in SMPTESubtitleAsset::write(). --- src/encryption_context.h | 64 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 64 insertions(+) create mode 100644 src/encryption_context.h (limited to 'src/encryption_context.h') diff --git a/src/encryption_context.h b/src/encryption_context.h new file mode 100644 index 00000000..68173950 --- /dev/null +++ b/src/encryption_context.h @@ -0,0 +1,64 @@ +/* + Copyright (C) 2012-2016 Carl Hetherington + + This file is part of libdcp. + + libdcp is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + libdcp is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with libdcp. If not, see . + + In addition, as a special exception, the copyright holders give + permission to link the code of portions of this program with the + OpenSSL library under certain conditions as described in each + individual source file, and distribute linked combinations + including the two. + + You must obey the GNU General Public License in all respects + for all of the code used other than OpenSSL. If you modify + file(s) with this exception, you may extend this exception to your + version of the file(s), but you are not obligated to do so. If you + do not wish to do so, delete this exception statement from your + version. If you delete this exception statement from all source + files in the program, then also delete it here. +*/ + +#include "key.h" +#include "types.h" +#include + +namespace ASDCP { + class AESEncContext; + class HMACContext; +} + +namespace dcp { + +class EncryptionContext +{ +public: + EncryptionContext (boost::optional key, Standard standard); + ~EncryptionContext (); + + ASDCP::AESEncContext* encryption () const { + return _encryption; + } + + ASDCP::HMACContext* hmac () const { + return _hmac; + } + +private: + ASDCP::AESEncContext* _encryption; + ASDCP::HMACContext* _hmac; +}; + +} -- cgit v1.2.3