Petri Hintukainen pushed to branch master at VideoLAN / libaacs
Commits:
7e49f7b3 by John Doe at 2020-06-21T03:07:34+03:00
Cache MEDIA KEY
- - - - -
1 changed file:
- src/libaacs/aacs.c
Changes:
=====================================
src/libaacs/aacs.c
=====================================
@@ -562,6 +562,12 @@ static int _calc_mk(AACS *aacs, uint8_t *mk, pk_list *pkl,
dk_list *dkl)
return AACS_SUCCESS;
}
+ /* get cached mk */
+ if (!aacs->no_cache && keycache_find("mk", aacs->disc_id, mk, 16)) {
+ BD_DEBUG(DBG_AACS, "Using cached MK\n");
+ return AACS_SUCCESS;
+ }
+
BD_DEBUG(DBG_AACS, "Calculate media key...\n");
mkb = _mkb_open(aacs);
@@ -586,6 +592,12 @@ static int _calc_mk(AACS *aacs, uint8_t *mk, pk_list *pkl,
dk_list *dkl)
if (result == AACS_SUCCESS) {
memcpy(aacs->mk, mk, sizeof(aacs->mk));
+ /* cache mk */
+ if (!aacs->no_cache) {
+ if (memcmp(aacs->disc_id, empty_key, sizeof(aacs->disc_id))) {
+ keycache_save("mk", aacs->disc_id, mk, 16);
+ }
+ }
}
mkb_close(mkb);
View it on GitLab:
https://code.videolan.org/videolan/libaacs/-/commit/7e49f7b3f3274ef2d4009e5335775b789eac5c8f
--
View it on GitLab:
https://code.videolan.org/videolan/libaacs/-/commit/7e49f7b3f3274ef2d4009e5335775b789eac5c8f
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