Merge from widevine repo of http://go/wvgerrit/21681
This CL refactors some oemcrypto unit tests in preparation for adding
Provisioning 3.0 tests.
- The signature GenerateNonce has changed. Instead of the caller
passing in a pointer for the nonce, we store the nonce in a member
variable of Session.
- GenerateDerivedKeys is being replaced by InstallTestSessionKeys.
This sets up and calls the appropriate derive keys method. This
function is in the test class, instead of the session class so that
multiple sessions in a class can share the same wrapped rsa key.
This will be modified for provisioning 3.0 in a future CL.
- Rename tests that require a keybox. Some tests are specific for
using a keybox to request a DRM cert. These tests are renamed so we
can filter them out on devices that use an OEM Cert. Corresponding
tests for devices using provisioning 3.0 will be in a future CL.
- Some member variables and methods in the class Session were not
used. They are removed.
- Added openssl smart pointer.
- Comments. I added comments.
- clang format.
Change-Id: Ib579a322858e0ef92652a42167241b35cf85a041
0fb76d5c1b