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Diffstat (limited to 'src/lib/decrypted_ecinema_kdm.cc')
| -rw-r--r-- | src/lib/decrypted_ecinema_kdm.cc | 101 |
1 files changed, 0 insertions, 101 deletions
diff --git a/src/lib/decrypted_ecinema_kdm.cc b/src/lib/decrypted_ecinema_kdm.cc deleted file mode 100644 index f76161c8b..000000000 --- a/src/lib/decrypted_ecinema_kdm.cc +++ /dev/null @@ -1,101 +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 "decrypted_ecinema_kdm.h" -#include "ecinema_kdm_data.h" -#include "exceptions.h" -#include "compose.hpp" -#include <dcp/key.h> -#include <dcp/util.h> -#include <dcp/certificate.h> -#include <openssl/rsa.h> -#include <openssl/pem.h> -#include <openssl/err.h> - -using std::string; -using std::runtime_error; -using dcp::Certificate; -using boost::optional; - -DecryptedECinemaKDM::DecryptedECinemaKDM (string id, string name, dcp::Key content_key, optional<dcp::LocalTime> not_valid_before, optional<dcp::LocalTime> not_valid_after) - : _id (id) - , _name (name) - , _content_key (content_key) - , _not_valid_before (not_valid_before) - , _not_valid_after (not_valid_after) -{ - -} - -DecryptedECinemaKDM::DecryptedECinemaKDM (EncryptedECinemaKDM kdm, string private_key) - : _id (kdm.id()) - , _name (kdm.name()) -{ - /* Read the private key */ - - BIO* bio = BIO_new_mem_buf (const_cast<char *> (private_key.c_str()), -1); - if (!bio) { - throw runtime_error ("could not create memory BIO"); - } - - RSA* rsa = PEM_read_bio_RSAPrivateKey (bio, 0, 0, 0); - if (!rsa) { - throw FileError ("could not read RSA private key file", private_key); - } - - uint8_t value[RSA_size(rsa)]; - int const len = RSA_private_decrypt (kdm.data().size(), kdm.data().data().get(), value, rsa, RSA_PKCS1_OAEP_PADDING); - if (len == -1) { - throw KDMError (ERR_error_string(ERR_get_error(), 0), ""); - } - - if (len != ECINEMA_KDM_KEY_LENGTH && len != (ECINEMA_KDM_KEY_LENGTH + ECINEMA_KDM_NOT_VALID_BEFORE_LENGTH + ECINEMA_KDM_NOT_VALID_AFTER_LENGTH)) { - throw KDMError ( - "Unexpected data block size in ECinema KDM.", - String::compose("Size was %1; expected %2 or %3", ECINEMA_KDM_KEY_LENGTH, ECINEMA_KDM_KEY_LENGTH + ECINEMA_KDM_NOT_VALID_BEFORE_LENGTH + ECINEMA_KDM_NOT_VALID_AFTER_LENGTH) - ); - } - - _content_key = dcp::Key (value + ECINEMA_KDM_KEY, ECINEMA_KDM_KEY_LENGTH); - if (len > ECINEMA_KDM_KEY_LENGTH) { - uint8_t* p = value + ECINEMA_KDM_NOT_VALID_BEFORE; - string b; - for (int i = 0; i < ECINEMA_KDM_NOT_VALID_BEFORE_LENGTH; ++i) { - b += *p++; - } - _not_valid_before = dcp::LocalTime (b); - string a; - for (int i = 0; i < ECINEMA_KDM_NOT_VALID_AFTER_LENGTH; ++i) { - a += *p++; - } - _not_valid_after = dcp::LocalTime (a); - } -} - -EncryptedECinemaKDM -DecryptedECinemaKDM::encrypt (Certificate recipient) -{ - return EncryptedECinemaKDM (_id, _name, _content_key, _not_valid_before, _not_valid_after, recipient); -} - -#endif |