diff options
Diffstat (limited to 'src/lib/encrypted_ecinema_kdm.cc')
| -rw-r--r-- | src/lib/encrypted_ecinema_kdm.cc | 113 |
1 files changed, 0 insertions, 113 deletions
diff --git a/src/lib/encrypted_ecinema_kdm.cc b/src/lib/encrypted_ecinema_kdm.cc deleted file mode 100644 index faea03424..000000000 --- a/src/lib/encrypted_ecinema_kdm.cc +++ /dev/null @@ -1,113 +0,0 @@ -/* - Copyright (C) 2019 Carl Hetherington <cth@carlh.net> - - This file is part of DCP-o-matic. - - DCP-o-matic 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. - - DCP-o-matic 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 DCP-o-matic. If not, see <http://www.gnu.org/licenses/>. - -*/ - -#ifdef DCPOMATIC_VARIANT_SWAROOP - -#include "encrypted_ecinema_kdm.h" -#include "ecinema_kdm_data.h" -#include "exceptions.h" -#include "cross.h" -#include <dcp/key.h> -#include <dcp/certificate.h> -#include <dcp/util.h> -#include <libcxml/cxml.h> -#include <libxml++/libxml++.h> -#include <openssl/rsa.h> -#include <openssl/err.h> -#include <iostream> - -using std::cout; -using std::string; -using boost::shared_ptr; -using boost::optional; -using dcp::Certificate; - -EncryptedECinemaKDM::EncryptedECinemaKDM (string id, string name, dcp::Key content_key, optional<dcp::LocalTime> not_valid_before, optional<dcp::LocalTime> not_valid_after, Certificate recipient) - : _id (id) - , _name (name) -{ - RSA* rsa = recipient.public_key (); - _data = dcp::Data (RSA_size(rsa)); - - int input_size = ECINEMA_KDM_KEY_LENGTH; - if (not_valid_before && not_valid_after) { - input_size += ECINEMA_KDM_NOT_VALID_BEFORE_LENGTH + ECINEMA_KDM_NOT_VALID_AFTER_LENGTH; - } - - dcp::Data input (input_size); - memcpy (input.data().get(), content_key.value(), ECINEMA_KDM_KEY_LENGTH); - if (not_valid_before && not_valid_after) { - memcpy (input.data().get() + ECINEMA_KDM_NOT_VALID_BEFORE, not_valid_before->as_string().c_str(), ECINEMA_KDM_NOT_VALID_BEFORE_LENGTH); - memcpy (input.data().get() + ECINEMA_KDM_NOT_VALID_AFTER, not_valid_after->as_string().c_str(), ECINEMA_KDM_NOT_VALID_AFTER_LENGTH); - } - - int const N = RSA_public_encrypt (input_size, input.data().get(), _data.data().get(), rsa, RSA_PKCS1_OAEP_PADDING); - if (N == -1) { - throw KDMError ("Could not encrypt ECinema KDM", ERR_error_string(ERR_get_error(), 0)); - } - -} - -EncryptedECinemaKDM::EncryptedECinemaKDM (string xml) -{ - cxml::Document doc ("ECinemaSecurityMessage"); - doc.read_string (xml); - _id = doc.string_child ("Id"); - _name = doc.string_child ("Name"); - _data = dcp::Data (256); - int const len = dcp::base64_decode (doc.string_child("Data"), _data.data().get(), _data.size()); - _data.set_size (len); -} - -string -EncryptedECinemaKDM::as_xml () const -{ - string key; - - /* Lazy overallocation */ - char out[_data.size() * 2]; - Kumu::base64encode (_data.data().get(), _data.size(), out, _data.size() * 2); - int const N = strlen (out); - string lines; - for (int i = 0; i < N; ++i) { - if (i > 0 && (i % 64) == 0) { - lines += "\n"; - } - lines += out[i]; - } - - xmlpp::Document document; - xmlpp::Element* root = document.create_root_node ("ECinemaSecurityMessage"); - root->add_child("Id")->add_child_text(_id); - root->add_child("Name")->add_child_text(_name); - root->add_child("Data")->add_child_text(lines); - return document.write_to_string ("UTF-8"); -} - -void -EncryptedECinemaKDM::as_xml (boost::filesystem::path path) const -{ - FILE* f = fopen_boost (path, "w"); - string const x = as_xml (); - fwrite (x.c_str(), 1, x.length(), f); - fclose (f); -} - -#endif |
