libaacs | branch: master | npzacs <npz...@gmail.com> | Fri Feb 5 10:46:01 2016 +0200| [a7cd56cc00b6d1667bf3d2c492b44b08747bdb82] | committer: npzacs
Split unit bus decryption to separate function > http://git.videolan.org/gitweb.cgi/libaacs.git/?a=commit;h=a7cd56cc00b6d1667bf3d2c492b44b08747bdb82 --- src/libaacs/aacs.c | 16 +++++++++++----- 1 file changed, 11 insertions(+), 5 deletions(-) diff --git a/src/libaacs/aacs.c b/src/libaacs/aacs.c index 46ae538..822bd36 100644 --- a/src/libaacs/aacs.c +++ b/src/libaacs/aacs.c @@ -1218,6 +1218,16 @@ void aacs_close(AACS *aacs) X_FREE(aacs); } +static void _decrypt_unit_bus(AACS *aacs, uint8_t *buf) +{ + if (aacs->bee && aacs->bec) { + unsigned int i; + for (i = 0; i < ALIGNED_UNIT_LEN; i += SECTOR_LEN) { + _decrypt_bus(aacs, buf + i); + } + } +} + int aacs_decrypt_unit(AACS *aacs, uint8_t *buf) { unsigned int i; @@ -1228,11 +1238,7 @@ int aacs_decrypt_unit(AACS *aacs, uint8_t *buf) } /* handle bus encryption first */ - if (aacs->bee && aacs->bec) { - for (i = 0; i < ALIGNED_UNIT_LEN; i += SECTOR_LEN) { - _decrypt_bus(aacs, buf + i); - } - } + _decrypt_unit_bus(aacs, buf); /* decrypt in-place if current unit key is known */ if (BD_LIKELY(aacs->cps_unit_selected) || BD_LIKELY(aacs->num_uks == 1)) { _______________________________________________ libaacs-devel mailing list libaacs-devel@videolan.org https://mailman.videolan.org/listinfo/libaacs-devel
