#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 (dcp::Key content_key, Certificate recipient)
+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 ();
- dcp::Data encrypted (RSA_size(rsa));
- int const N = RSA_public_encrypt (content_key.length(), content_key.value(), encrypted.data().get(), rsa, RSA_PKCS1_OAEP_PADDING);
+ _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