tree 2e39e633a5666f30d7ec6d744483a000a6fb000b
parent 1a3158691808c428de5949414d8ae41f8bf2a3b9
author Rubin Xu <rubinxu@google.com> 1527082073 +0100
committer Rubin Xu <rubinxu@google.com> 1527085728 +0000

Handle managed profile with unified challenge in getHashFactor()

Settings passes null into getHashFactor() when a profile user has
unified challenge. In this case getHashFactor() needs to derive the real
profile password before it can calculate the hash factor.

Bug: 80077655
Test: runtest frameworks-services -c com.android.server.locksettings.SyntheticPasswordTests
Change-Id: Ifa1d88818b58f914fd3560bb6ef44012facde87b