diff options
Diffstat (limited to 'src/mxf_writer.cc')
| -rw-r--r-- | src/mxf_writer.cc | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/src/mxf_writer.cc b/src/mxf_writer.cc index d4aba72f..d616c913 100644 --- a/src/mxf_writer.cc +++ b/src/mxf_writer.cc @@ -24,6 +24,8 @@ #include "mxf_writer.h" #include "mxf.h" #include "dcp_assert.h" +#include "AS_DCP.h" +#include "KM_prng.h" using namespace dcp; @@ -36,13 +38,28 @@ MXFWriter::MXFWriter (MXF* mxf, boost::filesystem::path file) , _file (file) , _frames_written (0) , _finalized (false) + , _encryption_context (0) { mxf->set_file (file); + + if (mxf->key ()) { + _encryption_context = new ASDCP::AESEncContext; + if (ASDCP_FAILURE (_encryption_context->InitKey (mxf->key()->value ()))) { + throw MiscError ("could not set up encryption context"); + } + + uint8_t cbc_buffer[ASDCP::CBC_BLOCK_SIZE]; + + Kumu::FortunaRNG rng; + if (ASDCP_FAILURE (_encryption_context->SetIVec (rng.FillRandom (cbc_buffer, ASDCP::CBC_BLOCK_SIZE)))) { + throw MiscError ("could not set up CBC initialization vector"); + } + } } MXFWriter::~MXFWriter () { - + delete _encryption_context; } void |