On ke, 2015-12-09 at 21:52 +0100, Roland Fischer wrote: > A few discs have an aacs folder with a unit_key_ro.inf file > consisting only of NULL bytes and only unencrypted content in > BDMV/STREAM directory.
Interesting ... Is MKB file empty too ? Any ideas where such discs come from ? I think AACS specification requires valid files even with unencrypted discs. Have you tried if any other player (ex. PowerDVD) can play such discs ? > This case can be detected on their always identical discid value > In case such a disc is deteced return AACS_SUCCESS to allow > playback of disc. > Reason of change: https://github.com/OpenELEC/OpenELEC.tv/pull/4378 > --- > src/libaacs/aacs.c | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/src/libaacs/aacs.c b/src/libaacs/aacs.c > index 1bd8ad5..5de09ac 100644 > --- a/src/libaacs/aacs.c > +++ b/src/libaacs/aacs.c > @@ -1067,6 +1067,10 @@ int aacs_open_device(AACS *aacs, const char > *path, const char *configfile_path) > error_code = _calc_title_hash(aacs); > if (error_code != AACS_SUCCESS) { > return error_code; > + } else if (!memcmp(aacs->disc_id, > "\xEC\x6A\xFE\x5D\xF8\xA1\x32\x50\x68\xB9\x53\x13\xF8\x2B\xD7\x2C\x09 > \xD4\xF9\x63", 20)) { > + /* in case the unit_key_ro.inf contains only NULL byte > values it's SHA1 hash is 'ec6afe5df8a1325068b95313f82bd72c09d4f963' > */ With 65536 NUL bytes I get 1adc95bebe9eea8c112d40cd04ab7a8d75c4f961. > + BD_DEBUG(DBG_AACS, "Detected 0-Byte AACS file - no AACS > processing necessary\n"); > + return AACS_SUCCESS; > } > > cf = keydbcfg_config_load(configfile_path); _______________________________________________ libaacs-devel mailing list libaacs-devel@videolan.org https://mailman.videolan.org/listinfo/libaacs-devel
