Expected flow, which begins with a device that has already been
provisioned with Prov 4 stage 1:
1. OEMCrypto_InstallOEMPrivateKey()
2. OEMCrypto_GenerateCertificateKeyPair() -> wrapped_csr_priv
3. OEMCrypto_LoadDRMPrivateKey(wrapped_csr_priv)
4. OEMCrypto_PrepAndSignProvisioningRequest() to create a Prov 4
provisioning request message type with a CAST request in the
message body
5. Server sends a Prov 2 response. Server side derivation uses CSR keys
to derive session key, mac keys, and encryption keys.
6. OEMCrypto_DeriveKeysFromSessionKey(), same derivation as server side
7. OEMCrypto_LoadProvisioning(), use derived keys to verify + decrypt
The OEMCrypto_LoadDRMPrivateKey() step can happen before or after the
PrepAndSignProvisioningRequest() call.
Test: tests fail
Bug: 259452440
Merged from https://widevine-internal-review.googlesource.com/172310
Change-Id: Id5e6737b187339ec93e3d0d03c28e2b379d60747
No-Typo-Check: From a third party header file
Bug: 260918793
Test: unit tests
Test: atp v2/widevine-eng/drm_compliance
Change-Id: I36effd6a10a99bdb2399ab1f4a0fad026d607c70
[ Merge of http://go/wvgerrit/153589 ]
Some unit tests call InstallTestRSAKey() a few times. In current
provision 2 with Keybox, the test RSA DRM key is hard coded. But for
provision 4, it will be generated by OEMCrypto.
When a test calls multiple times of InstallTestRSAKey(), we don't want
the key to be generated during each call, and we want to use the same
key in order for the decrytion to work.
The fix to cache the drm key once it is created for prov 4 tests.
Bug: 180530495
Bug: 236317198
Test: oemcrypto_test
Change-Id: I1b2d96a89e0619861492e6d9bc56862e2c440c86
Merge of http://go/wvgerrit/93404
This CL updates the Widevine CDM to support OEMCrypto v16.1
Test: Tested in 16.2 CL
Bug: 141247171
Change-Id: I69bd993500f6fb63bf6010c8b0250dc7acc3d71b
Merge from Widevine repo of http://go/wvgerrit/73383
Partners have been requesting more explanation for what each test is
doing. This is an attempt to clarify some of the tests.
Bug: 119640588
Test: unit tests
Change-Id: I270203b4e8fa7e65abb55297788e4d55856e7dcd
Merge from Widevine repo of http://go/wvgerrit/46204
Refactor utility code - split the mock, step 1
Merge from Widevine repo of http://go/wvgerrit/46205
Move some OEMCrypto types to common header - split the mock, step 2
Merge from Widevine repo of http://go/wvgerrit/46206
Split mock into two -- step 3
Merge from Widevine repo of http://go/wvgerrit/47460
Split the mock into two -- step 3.5
The CL moves several files used by oemcrypto and cdm into a common
subdirectory, so that it may more easily be shared with partners.
The CORE_DISALLOW_COPY_AND_ASSIGN macro was moved to its own header in
the util/include directory.
This CL removes some references to the mock from other code, and puts
some constants and types, such as the definition of the keybox, into a
header in oemcrypto.
Test: tested as part of http://go/ag/4674759
bug: 76393338
Change-Id: I75b4bde7062ed8ee572c97ebc2f4da018f4be0c9
Merge from Widevine repo of http://go/wvgerrit/41662
This CL updates oemcrypto unit tests to use the new test keybox.
bug: 69552641 Update OEMCrypto_LoadTestKeybox
test: Unit tests compile and run -- many tests won't pass until merged
with vendor code
Change-Id: I73bdca3958b2c985d4c61801aa95807a2e6d4299
These are a set of CLs merged from the wv cdm repo to the android repo.
* Correct error logging
Author: Rahul Frias <rfrias@google.com>
[ Merge of http://go/wvgerrit/40000 ]
In tests, we set the cipher list to avoid using insecure
ciphers when connecting to the provisioning/license service.
The result of setting the cipher list was being incorrectly
validated.
Bug: 64847919
* Move mips cache headers to clear_cache_function.h
Author: Srujan Gaddam <srujzs@google.com>
[ Merge of http://go/wvgerrit/39700 ]
Since the clear_cache function has been moved away from the dynamic
adapter, we need these conditional includes to be migrated as well for
MIPS.
* Comment out Level 3 debug call until merge
Author: Srujan Gaddam <srujzs@google.com>
[ Merge of http://go/wvgerrit/39761 ]
This call was introduced in go/wvgerrit/34260/. Since the haystack tool
in google3 still needs this merge, this should be commented out so the
tool can still build until the merge has finished.
* Add logging for MAC keys to mock
Author: Srujan Gaddam <srujzs@google.com>
[ Merge of http://go/wvgerrit/39740 ]
Bug: 70637842
* Move external interfaces into level3.h + refactor
Author: Srujan Gaddam <srujzs@google.com>
[ Merge of http://go/wvgerrit/39673 ]
As part of b/70523618, this CL moves interfaces that partners are
responsible for in Level 3 to level3.h so they can be visible as
part of the CDM release process. It also cleans up some of the
names of the files and adds documentation.
* Corrected close session logging level
Author: Rahul Frias <rfrias@google.com>
[ Merge of http://go/wvgerrit/39676 ]
Bug: 69460963
* Remove Security Level Path Backward Compatibility Support
Author: Rahul Frias <rfrias@google.com>
[ Merge of http://go/wvgerrit/39505 ]
From the android K release onwards certificates were stored in
security level specific directories. If upgrading from
previous releases persistent information needed to be moved
to those directories.
Since no device is likely to upgrade from J to Pi, comptibility
support can be removed.
Bug: 70160032
* Rename privacy_crypto_openssl To privacy_crypto_boringssl
Author: John W. Bruce <juce@google.com>
[ Merge of http://go/wvgerrit/37122 ]
Now that we no longer support OpenSSL in the Shared Source CDM, the name
of this file can be updated.
Bug: 67907873
Test: build.py x86-64
Test: wv_ce_cdm_unittest
Test: jenkins/linux_unit_tests
* Remove Conditional Compilation from OpenSSL/BoringSSL
Author: John W. Bruce <juce@google.com>
[ Merge of http://go/wvgerrit/39460 ]
This change removes the usages of conditional compilation to support
both BoringSSL and OpenSSL, as well as to support multiple versions of
the OpenSSL API. All code is now compiled against one of the two
versions of BoringSSL in third_party/.
Note that in some cases, the kit/ and legacy_kit/ versions of BoringSSL
had different APIs, so when removing the OpenSSL version compatibility
conditional compilation, sometimes the older branch was kept and
sometimes the newer branch was kept.
Bug: 67907873
Test: build.py x86-64
Test: wv_ce_cdm_unittest
Test: jenkins/linux_unit_tests
* Build CE & Jenkins CDMs With BoringSSL from third_party/
Author: John W. Bruce <juce@google.com>
[ Merge of http://go/wvgerrit/37120 ]
Up until now, integrators have been responsible for providing a
compatible crypto library for use by the CE CDM. (either OpenSSL or
BoringSSL) After this change, this decision will no longer be in their
hands. The CE CDM build will always use the copy of BoringSSL in
third_party/, which will be statically linked with our library with
hidden visibility. This allows us to better control what crypto library
we use and will prevent continuing problems with trying to support both
OpenSSL and BoringSSL.
Unfortunately, BoringSSL began using C++11 in mid-2017, and we can't
support C++11 right now. Until we can, we need to use a C++11-free
version of BoringSSL for libssl. The CDM itself will continue to use a
recent BoringSSL, as it only needs libcrypto. But the unit tests that
need libssl have to use the legacy version.
Bug: 67907873
Test: build.py x86-64
Test: wv_ce_cdm_unittest
Test: jenkins/linux_unit_tests
* Modified RNG for Level3 to use more entropy
Author: Srujan Gaddam <srujzs@google.com>
[ Merge of http://go/wvgerrit/39220 ]
Bug: 65165076
Modified seed generation to use an xor of clock_gettime and
client-implemented code to supply random seeds to the RNG. Modified the RNG
as well to use xoroshiro128+ instead of xorshift, since it uses more
than one seed/state (which are 64-bit) and has higher "statistical quality".
The default implementations for the seed generation use /dev/urandom.
* Configure base path for Level3FileSystem
Author: Srujan Gaddam <srujzs@google.com>
[ Merge of http://go/wvgerrit/39506 ]
This is in response to b/70354006. This change makes the
Android Level3FileSystem use the existing properties method
GetDevicesFilesBasePath for binderization. The same is done for the
Linux implementation.
* Add legacy_kit/ to BoringSSL Directory
Author: John W. Bruce <juce@google.com>
[ Merge of http://go/wvgerrit/38861 ]
This adds a second copy of BoringSSL to the third_party/boringssl/
directory. This second copy is pinned to the last revision of BoringSSL
not to require C++11 and is not updated by the UPDATE_BORINGSSL.sh
script. This second copy will be used to provide libssl to the tests on
devices that do not support C++11.
Once we support C++11 in the CDM again, this weight should be removed
and all targets should use the copy of BoringSSL in the kit/ directory.
Bug: 67907873
* Use Shared Libraries for Unit Tests
Author: John W. Bruce <juce@google.com>
[ Merge of http://go/wvgerrit/38860 ]
Some unit tests were using a statically-linked CDM instead of a
dynamically-linked one. (Or, in one case, trying to link both ways into
the same binary.) For now, we need to only link dynamically, so that the
unit tests and the CDM can use different versions of BoringSSL.
Long-term, we would like to test both kinds of linkage. (See b/69548115
for that.)
Some unit tests were also using a dynamicaly-linked CDM that was named
such that it appeared to be statically-linked. This patch renames some
targets to make the linkage clearer.
Bug: 67907873
* Change CDM_Backwards_Compatiblity_Tests to dedicated brances
Author: Fred Gylys-Colwell <fredgc@google.com>
[ Merge of http://go/wvgerrit/39003 ]
The build scripts used by CDM_Backwards_Compatiblity_Tests now pull
old versions of oemcrypto from the dedicated branches oemcrypto-v*,
which [will eventually] contain old oemcrypto versions, that build
with the current build system with a current boringssl version.
bug: 67907873
* Fix spacing on level3 header
Author: Srujan Gaddam <srujzs@google.com>
[ Merge of http://go/wvgerrit/38760 ]
* Correct Query status calls
Author: Rahul Frias <rfrias@google.com>
[ Merge of http://go/wvgerrit/38640 ]
Bug: 70160032
* Refactoring to allow encryption of client ID
Author: Rahul Frias <rfrias@google.com>
[ Merge of http://go/wvgerrit/37460 ]
The code has been restructured to allow encryption of client
identification in provisioning requests. This will be enabled
when server side changes have been made (b/69427217).
* Additional information is included in the Client Identification
portion of the provisioning request.
* Client identification will be encrypted with a service
certificate provided by the app/client. Platform changes
to enable passing this to core are needed. If a service certificate
is not provided, a default one associated with the production Keysmith
will be used.
* Switched APIs in CdmEngine to take a service certificate for
provisioning rather than licensing. Service certificates for
licensing are session based and passed as properties from platform
code.
Bug: 30737060
* Allow some CDM errors to be reported from multiple locations
Author: Rahul Frias <rfrias@google.com>
[ Merge of http://go/wvgerrit/38360 ]
This creates some CdmResponseType errors which may be reused
PARAMETER_NULL, NOT_INITIALIZED_ERROR, REINIT_ERROR.
I have made changes to a few classes to report these errors.
Will work on additional classes in a separate CL.
Bug: 69864404
BUG: 71650075
Test: WV Unit/integration tests
Change-Id: Icc048770d424ac537d11ff327cda2cb142da802d
