ref: ada54defbcb037f8858b475f90ef215b7d1b44a6
parent: 2c4d3dd510a806344e4a3c6507d7f397a68c980c
author: cinap_lenrek <cinap_lenrek@felloff.net>
date: Tue Sep 22 15:11:54 EDT 2015
libsec: handle missing signature case; can happen because some ciphers make it optional