tree 54639ce08745e1aa366bef190acfe2545bee944c
parent c2c4ed2f01e6a068bb10dc55a494915da33b77ed
author Zhiyi Zhang <zhiyi@cs.ucla.edu> 1602722804 -0700
committer Zhiyi Zhang <zhiyi@cs.ucla.edu> 1602722804 -0700

use HKDF from openSSL

Change-Id: Iade1523bc46ac44b9b5540cdd91b9283ac537a31