Commit Graph

2 Commits

Author SHA1 Message Date
Fred Gylys-Colwell
fede3bffdd Add DecryptCTR to OEMCrypto Mock
This is a software only implementation of the OEMCrypto library for
testing the rest of the DRM code.  It currently implements the
OEMCrypto_DecrtyptCTR function using a clear key.

I've included the license request code so the rest of the group can
play with it, but I have only tested part of it.

This patch also has some makefiles and an integration testing.  You
should be able to generate the shared library libclearkeydrmengine.so with
cd vendor/widevine/libclearkeydrmengine; mm
You can create some unit test and integration test programs from the
directories:
vendor/widevine/libwvdrmengine/oemcrypto/test
vendor/widevine/libclearkeydrmengine/test
vendor/widevine/libclearkeydrmengine/inttest
vendor/widevine/libclearkeydrmengine/crypto/test

This change also addresses some comments about comments in OEMCryptoDASH.h
which were made in https://googleplex-android-review.googlesource.com/257323

Change-Id: Id6899b9f8d2f09e09be2ea493baa83a6b929073b
2012-12-21 12:41:42 -08:00
John "Juce" Bruce
04bfbb0198 Initial Clear Key DRM Engine
Adds the initial pieces of a sample DRM Engine that accepts keys in the clear
through the decrypt call instead of using the DrmClientPlugin and its key
ladder.  This is to help unblock teams writing code that consumes DRM Engines
while Widevine continues working their real DRM engine.  This is based on the
in-progress Widevine DRM Engine.

This change contains the DRM Engine glue pieces (.so entry point,
DrmPluginFactory, etc.) and a CryptoPlugin implementation.  However, said
CryptoPlugin will not work until an implementation of OEMCrypto is provided
in a future checkin and the CryptoPlugin is hooked up to it.

For ease of loading, this library also implements the old CryptoFactory
interface and entry point.

If asked to create a CryptoPlugin with no data, it will defer to the old
Widevine Crypto Plugin.

Change-Id: I0bfbec7e32439a50a2956488dd970284f0075e61
2012-12-21 12:40:06 -08:00