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Add policy handling for v16

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[ Merge of http://go/wvgerrit/93865 ]

This allows for handling of timer and clock values as supported when both
the license service and the OEMCrypto on the device support v16.
A flag based on a value in the SignedResponse license indicates
whether this support should be enabled. A new class PolicyTimerV16
performs the duration value evaluation.

Bug: 139372190
Test: Android WV unit/integration tests
Change-Id: Iacbbd51ad26c9f29cb5418ff832f8822982644b7
This commit is contained in:
Rahul Frias
2020-02-13 02:43:56 -08:00
parent 68587be8a0
commit c033892f2a
12 changed files with 1961 additions and 178 deletions
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7
libwvdrmengine/cdm/core/include/policy_timers.h
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@@ -28,9 +28,10 @@ class PolicyTimers {
// SetLicense is used in handling the initial license response.
virtual void SetLicense(const video_widevine::License& license);
// UpdateLicense is used in handling a license response for a renewal request.
// The response may only contain policy fields that have changed. In this
// case an exact copy is not what we want to happen.
// UpdateLicense is used in handling a license response, a renewal response,
// or when restoring or releasing a persistent license.
// In a renewal the response may only contain policy fields that have
// changed. In this case an exact copy is not what we want to happen.
virtual bool UpdateLicense(int64_t current_time,
const video_widevine::License& license) = 0;