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Use MediaDrm property to ignore installed keybox

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Merge from Widevine repo of http://go/wvgerrit/135984

If the MediaDrm property string debugIgnoreKeyboxCount is set to 1,
then the keybox will be ignored on the next initialization. This will
force an OTA keybox reprovisioning.

Equivalently, a 1 may be written to the file
L1/debug_ignore_keybox_count.txt.

In order to test a failed reprovisioning step, a value of 2 may be
used.

Bug: 187646550
Merged-In: Ie7d34a8b355398855f4ec43dd95dd73c5907bdeb
Change-Id: Ie7d34a8b355398855f4ec43dd95dd73c5907bdeb
This commit is contained in:
Fred Gylys-Colwell
2021-10-13 21:06:10 +00:00
committed by Alex Dale
parent 5975b4e70a
commit c21b756451
9 changed files with 144 additions and 2 deletions
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4
libwvdrmengine/cdm/core/include/crypto_session.h
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@@ -295,6 +295,10 @@ class CryptoSession {
bool needs_keybox_provisioning() const { return needs_keybox_provisioning_; }
// This tells the OEMCrypto adapter to ignore the next |count| keyboxes and
// report that it needs provisioning instead.
static CdmResponseType SetDebugIgnoreKeyboxCount(uint32_t count);
// Returns a system-wide singleton instance of SystemFallbackPolicy
// to be used for communicating OTA keybox provisioning state between
// apps. Returns a null pointer if OTA provisioning is not supported,