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9 Commits

Author SHA1 Message Date
Cong Lin
778d4f7026 Add Signed CSR payload validator to oemcrypto util and unit tests 
Validator that can parse and validate SignedCsrPayload Cbor object.
The SignedCsrPayload is generated by
OEMCrypto_GetDeviceSignedCsrPayload() and will be put into prov4 CSR
request during factory uploading.

Test: opk_ta_p40
Bug: 300304834

Change-Id: Ib569dc22fe76dbaa98657e96aa4c93a272bbcd1b
 2024-02-22 15:15:05 -08:00
Cong Lin
d8ce542ff9 Add Device info validator to oemcrypto util and unit tests 
Validator that can parse and validate device info Cbor object.
This is to support better prov40 unit tests regarding
OEMCrypto_GetDeviceInformation() later.

Test: opk_ta_p40
Bug: 300304834
Change-Id: Ic260a6626dffcbef5d6b386263839499f83a69db
 2024-02-22 15:12:37 -08:00
Cong Lin
91e573f574 Add signature verification to BCC validator 
Each entry in BCC is signed by its parent. BCC validator should be able to
validate the signature along the chain.

In OPK reference, EdDSA is used. Also adding functions to support ECDSA
in oemcrypto_ecc_key module.

Test: opk_ta_p40
Bug: 300310163
Bug: 307968622
Change-Id: Ibed895933eeb71b18c467604588cca449cac1af9
 2024-02-22 14:46:43 -08:00
Cong Lin
dbb0bea701 Add Bcc validator to oemcrypto util and unit tests 
A Bcc validator that can parse and validate BCC. This is to support better
prov40 unit tests regarding OEMCrypto_GetBootCertificateChain() later.

Test: opk_ta_p40
Bug: 300304834
Bug: 307968622
Change-Id: I3cfdad9f1891c6abc83051af1d80a20e0adeb58b
 2024-02-22 14:43:11 -08:00
Cong Lin
e8add8eed8 Sync oemcrypto files from cdm udc-dev to Android 
Changes included in this CL:

166806: Update OEMCrypto_GetDeviceInformation() | https://widevine-internal-review.googlesource.com/c/cdm/+/166806
166808: Update Android L3 after OEMCrypto_GetDeviceInformation() signature changes | https://widevine-internal-review.googlesource.com/c/cdm/+/166808
166809: Decode device info and write it to CSR payload | https://widevine-internal-review.googlesource.com/c/cdm/+/166809
167158: Fix Android include path and copy_files | https://widevine-internal-review.googlesource.com/c/cdm/+/167158
167159: Fix common typos and use inclusive language suggested by Android linter | https://widevine-internal-review.googlesource.com/c/cdm/+/167159

165618: Explicitly state python3 where needed. | https://widevine-internal-review.googlesource.com/c/cdm/+/165618

166757: Update Android.bp for Android | https://widevine-internal-review.googlesource.com/c/cdm/+/166757
164993: Refactor basic oemcrypto unit tests | https://widevine-internal-review.googlesource.com/c/cdm/+/164993
164978: Update OEMCrypto Unit Test Docs | https://widevine-internal-review.googlesource.com/c/cdm/+/164978
166941: Update make files for OEMCrypto | https://widevine-internal-review.googlesource.com/c/cdm/+/166941

165279: Refactor license unit tests | https://widevine-internal-review.googlesource.com/c/cdm/+/165279
165318: Refactor provisioning unit tests | https://widevine-internal-review.googlesource.com/c/cdm/+/165318
164800: Add extra check for renew on license load unit test | https://widevine-internal-review.googlesource.com/c/cdm/+/164800
165860: Remove duplicate definition of MaybeHex() | https://widevine-internal-review.googlesource.com/c/cdm/+/165860

164889: Updated CoreCommonRequestFromMessage and fix test | https://widevine-internal-review.googlesource.com/c/cdm/+/164889
164967: Add OPK pre-hook and post-hook error codes | https://widevine-internal-review.googlesource.com/c/cdm/+/164967
165140: Add hidden device_id_length to v18 provisioning message | https://widevine-internal-review.googlesource.com/c/cdm/+/165140
165204: Fix memory leak in oemcrypto test | https://widevine-internal-review.googlesource.com/c/cdm/+/165204

165958: Fix oemcrypto_generic_verify_fuzz mutator signature offset | https://widevine-internal-review.googlesource.com/c/cdm/+/165958

166037: Support SHA-256 in OEMCrypto Session Util | https://widevine-internal-review.googlesource.com/c/cdm/+/166037

Test: Run GtsMediaTests on Pixel 7
Bug: 270612144

Change-Id: Iff0820a2de7d043a820470a130af65b0dcadb759
 2023-02-28 11:21:05 -08:00
Kyle Zhang
11255b7426 Pick widevine oemcrypto-v18 change 
No-Typo-Check: From a third party header file
Bug: 260918793
Test: unit tests
Test: atp v2/widevine-eng/drm_compliance
Change-Id: I36effd6a10a99bdb2399ab1f4a0fad026d607c70
 2022-12-21 00:03:50 +00:00
Kyle Zhang
af0168dbed Merge cdm changes to android repo 
Bug: 251924225
Test: GtsMediaTestCases
Change-Id: I1b4e64c0abf701fe1f5017f14dc72b72c3ea6770
 2022-10-11 00:40:42 +00:00
Alex Dale
173b230588 High-level wrapper around HMAC-SHA256 algorithm. 
[ Merge of http://go/wvgerrit/152950 ]

This CL introduces several functions for computing a HMAC-SHA256
signature.  The functions wrap the OpenSSL/BoringSSL implementation
of HMAC(), allowing for common C++ types to be passed in.  Several
of the functions follow several OEMCrypto conventions for generating
signatures (ex. returning OEMCrypto_ERROR_SHORT_BUFFER if signature
buffer is too small).

Also provided limited wrappers for HMAC-SHA-1, which are used for
a limited number of operations within OEMCrypto.

Bug: 154055871
Bug: 145026434
Bug: 236317198
Test: hmac_unittest
Change-Id: I4a9e56066a7c3f14c7159270503225cd794c1bb6
 2022-06-16 18:00:19 -07:00
Alex Dale
4a065adc33 Copied OEMCrypto utils to Android. 
The OEMCrypto utils have been copied over from the CDM repo.
Tests have been excluded for this CL.

Files represent a snapshot taken from http://go/wvgerrit/148270
and http://go/wvgerrit/148372.

Bug: 205902021
Change-Id: I1a58952cd1436a48974367c5436bf7296163e6f1
 2022-03-21 21:22:19 -07:00