Date: 2016年2月17日 12:51:22 -0800 From: Alistair Crooks <agc%pkgsrc.org@localhost> Added (via -t switch to digest). Please refresh http://ftp.netbsd.org/pub/pkgsrc/misc/agc/digest-sha3-20160217.diff I suggest always calling it, unconditionally. It's pretty cheap -- it's the cost of hashing few kilobytes, which in the context of forking and execing a process isn't much.