NativeCrypto is a conscrypt class that contained several OpenSSL
constants. NativeConstants is the new class that contains the same
thing, but the latter is automatically generated and thus won't drift
from the C headers.
Bug: 20521989
Change-Id: I45c7b9a6844a06e3ffd09be692ebf733e1ebbbcc
Switch to using PBKDF2 for the key generation for OBBs. Any previously
generated OBBs will stop being read correctly. A small pbkdf2gen program
is available to allow generation of appropriate keys with the salts.
Bug: 3059950
Change-Id: If4305c989fd692fd1150eb270dbf751e09c37295