tree 9b75cfac6fae105b7fba6f0eea611d047e079db6
parent bbbcd516a3b01c288c073ec4fc86ddd9a6115520
author Shawn Willden <swillden@google.com> 1433179955 -0600
committer Shawn Willden <swillden@google.com> 1433191974 -0600

Add output params to update() and finish().

Also, change signatures of several methods to pass structs rather than
array pointers and lengths.

Change-Id: Iaa1be186ebbd444202c47926ab57ac65d57416d7