libdcp/test/key_test.cc, branch opt DCP handling library https://git.carlh.net/cgit/libdcp/atom?h=opt 2019-04-08T20:14:19Z Fix previous and add unit test for Key::hex. 2019-04-08T20:14:19Z Carl Hetherington cth@carlh.net 2019-04-08T20:14:19Z urn:sha1:d9d117d8dd56322fed12f8e12c574cf08fe22500