tree 2efcb9b61bf4d1d6a937232e66d3fded62bf4e63
parent 1e5d677f2bb9556560085e591de7ba0cc51ff544
author Zhiyi Zhang <zhiyi@cs.ucla.edu> 1613698722 -0800
committer Zhiyi Zhang <zhiyi@cs.ucla.edu> 1613698722 -0800

update crypto helpers

Change-Id: Ia452b42b1247273a56e92d5ab49f0baca28b69b1