Comments.

[libdcp.git] / test / decryption_test.cc

diff --git a/test/decryption_test.cc b/test/decryption_test.cc
index 6870a2864835a73a2bd9ff5f153dbb1e1900ef4f..0974b85d02a4076a59c37d669c56f1404612cd34 100644 (file)
--- a/test/decryption_test.cc
+++ b/test/decryption_test.cc
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2013 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2013-2014 Carl Hetherington <cth@carlh.net>
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -17,17 +17,92 @@
 
 */
 
-BOOST_AUTO_TEST_CASE (is_encrypted_test)
+#include "dcp.h"
+#include "mono_picture_frame.h"
+#include "cpl.h"
+#include "decrypted_kdm.h"
+#include "encrypted_kdm.h"
+#include "mono_picture_asset.h"
+#include "reel_picture_asset.h"
+#include "reel.h"
+#include "test.h"
+#include "xyz_image.h"
+#include "rgb_xyz.h"
+#include "colour_conversion.h"
+#include <boost/test/unit_test.hpp>
+#include <boost/scoped_array.hpp>
+
+using std::pair;
+using std::make_pair;
+using boost::dynamic_pointer_cast;
+using boost::shared_ptr;
+using boost::scoped_array;
+
+pair<uint8_t*, dcp::Size>
+get_frame (dcp::DCP const & dcp)
+{
+       shared_ptr<const dcp::Reel> reel = dcp.cpls().front()->reels().front ();
+       shared_ptr<dcp::PictureAsset> picture = reel->main_picture()->asset ();
+       BOOST_CHECK (picture);
+
+       shared_ptr<const dcp::MonoPictureAsset> mono_picture = dynamic_pointer_cast<const dcp::MonoPictureAsset> (picture);
+       shared_ptr<const dcp::MonoPictureFrame> j2k_frame = mono_picture->get_frame (0);
+       shared_ptr<dcp::XYZImage> xyz = j2k_frame->xyz_image();
+
+       uint8_t* argb = new uint8_t[xyz->size().width * xyz->size().height * 4];
+       dcp::xyz_to_rgba (j2k_frame->xyz_image(), dcp::ColourConversion::srgb_to_xyz(), argb);
+       return make_pair (argb, xyz->size ());
+}
+
+/** Decrypt an encrypted test DCP and check that its first frame is the same as the unencrypted version */
+BOOST_AUTO_TEST_CASE (decryption_test)
 {
-       boost::filesystem::path plaintext_path = test_corpus;
+       boost::filesystem::path plaintext_path = private_test;
        plaintext_path /= "TONEPLATES-SMPTE-PLAINTEXT_TST_F_XX-XX_ITL-TD_51-XX_2K_WOE_20111001_WOE_OV";
-       libdcp::DCP plaintext (plaintext_path.string ());
+       dcp::DCP plaintext (plaintext_path.string ());
        plaintext.read ();
        BOOST_CHECK_EQUAL (plaintext.encrypted (), false);
 
-       boost::filesystem::path encrypted_path = test_corpus;
+       boost::filesystem::path encrypted_path = private_test;
        encrypted_path /= "TONEPLATES-SMPTE-ENCRYPTED_TST_F_XX-XX_ITL-TD_51-XX_2K_WOE_20111001_WOE_OV";
-       libdcp::DCP encrypted (encrypted_path.string ());
+       dcp::DCP encrypted (encrypted_path.string ());
        encrypted.read ();
        BOOST_CHECK_EQUAL (encrypted.encrypted (), true);
+
+       dcp::DecryptedKDM kdm (
+               dcp::EncryptedKDM (
+                       dcp::file_to_string ("test/data/kdm_TONEPLATES-SMPTE-ENC_.smpte-430-2.ROOT.NOT_FOR_PRODUCTION_20130706_20230702_CAR_OV_t1_8971c838.xml")
+                       ),
+               dcp::file_to_string ("test/data/private.key")
+               );
+       
+       encrypted.add (kdm);
+
+       pair<uint8_t *, dcp::Size> plaintext_frame = get_frame (plaintext);
+       pair<uint8_t *, dcp::Size> encrypted_frame = get_frame (encrypted);
+
+       /* Check that plaintext and encrypted are the same */
+
+       BOOST_CHECK_EQUAL (plaintext_frame.second, encrypted_frame.second);
+       
+       BOOST_CHECK_EQUAL (
+               memcmp (
+                       plaintext_frame.first,
+                       encrypted_frame.first,
+                       plaintext_frame.second.width * plaintext_frame.second.height * 4
+                       ),
+               0
+               );
+
+       delete[] plaintext_frame.first;
+       delete[] encrypted_frame.first;
+}
+
+/** Load in a KDM that didn't work at first */
+BOOST_AUTO_TEST_CASE (failing_kdm_test)
+{
+       dcp::DecryptedKDM kdm (
+               dcp::EncryptedKDM (dcp::file_to_string ("test/data/target.pem.crt.de5d4eba-e683-41ca-bdda-aa4ad96af3f4.kdm.xml")),
+               dcp::file_to_string ("test/data/private.key")
+               );
 }