Merge EncryptionContext with DecryptionContext and use HMAC when decrypting.

[libdcp.git] / src / decryption_context.cc

diff --git a/src/decryption_context.cc b/src/decryption_context.cc
deleted file mode 100644 (file)
index 1c1838a..0000000
--- a/src/decryption_context.cc
+++ /dev/null
@@ -1,58 +0,0 @@
-/*
-    Copyright (C) 2012-2016 Carl Hetherington <cth@carlh.net>
-
-    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 <http://www.gnu.org/licenses/>.
-
-    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 "decryption_context.h"
-#include "exceptions.h"
-#include <asdcp/AS_DCP.h>
-#include <asdcp/KM_prng.h>
-
-using boost::optional;
-using namespace dcp;
-
-DecryptionContext::DecryptionContext (optional<Key> key)
-       : _decryption (0)
-{
-       if (!key) {
-               return;
-       }
-
-       _decryption = new ASDCP::AESDecContext;
-       if (ASDCP_FAILURE (_decryption->InitKey (key->value ()))) {
-               throw MiscError ("could not set up decryption context");
-       }
-}
-
-DecryptionContext::~DecryptionContext ()
-{
-       delete _decryption;
-}