Fixes for issues found in wifi integration tests:
1. ensure_keystore_engine() needs to be invoked before we access
|g_keystore_backend|.
2. The HIDL backends need to return 0 when the operation succeeds.
Bug: 34603782
Test: Manual tests.
Change-Id: If61d3bef27dab6f4fb73113f0ed6d3e784a29f32
The wifi keystore hal will run in the context of the main keystore
daemon.
Also,
Use the new IKeystore::tryGetService() for retrieveing the HAL service.
Bug: 34603782
Test: Able to connect to wifi passpoint networks.
Change-Id: I1436ea83166e5ad17372d98b0fd699c0dd732a11
Create a "keystore_get" library that uses the HIDL path insted
of using binder directly.
Bug: 34603782
Test: Able to connect to wifi passpoint networks.
Change-Id: I0f545ea104e3f27bebd262bc5a2e79f6b517c972
This CL adds variants of the public key retrieval and signing
routine which use the WiFi Keystore HIDL for the backend.
The Android.mk has been modified to build a second variant of
the library to expose this HIDL backend. While here, add
guards to all headers.
Bug: 34603782
Test: Able to connect to wifi passpoint networks.
Change-Id: I444ef383e4d3fdabc10c3e44c1bae9747613c8cf
