tree d30dbb6d23f146030e31bd9a605e302a6bc230d0
parent cace6ab85a712844c815ad0734927679b2bbcc42
author Zhiyi Zhang <zhiyi@cs.ucla.edu> 1602910746 -0700
committer Zhiyi Zhang <zhiyi@cs.ucla.edu> 1602910746 -0700

update crypto helper

Change-Id: I520f0ff6fe289f28be0358d2cbd7980630ab3c55