am 8fda1636: am bdf8034c: Merge "OBB: use PBKDF2 for key generation." into gingerbread

Merge commit '8fda1636e3e35f060b9046294efd3c062a1fdb84'

* commit '8fda1636e3e35f060b9046294efd3c062a1fdb84':
  OBB: use PBKDF2 for key generation.