tree 4c19d3a19f7b1ac684c092d64627836071499bc7
parent beadcb6ec038b8e3b96cfa3b3b3e05005785b282
author Paul Lawrence <paullawrence@google.com> 1430259255 +0000
committer Paul Lawrence <paullawrence@google.com> 1430260918 +0000

Securely encrypt the master key

Move all key management into vold
Reuse vold's existing key management through the crypto footer
to manage the device wide keys.

Use ro.crypto.type flag to determine crypto type, which prevents
any issues when running in block encrypted mode, as well as speeding
up boot in block or no encryption.

This is one of four changes to enable this functionality:
  https://android-review.googlesource.com/#/c/148586/
  https://android-review.googlesource.com/#/c/148604/
  https://android-review.googlesource.com/#/c/148606/
  https://android-review.googlesource.com/#/c/148607/

Bug: 18151196

Change-Id: I3c68691717a61b5e1df76423ca0c02baff0dab98