I'm unsure of which command hash-sum is, I meant every hash sum that
uses mechanism in digest.c, and is called XYZsum, namely
md5/sha1/sha256/...sum. but I note that toybox has been using -b (brief) in
md5sum through sha3sum for 10 years now: In coreutils XXXsum - stands for
--binary [1]. In OpenBSD [2] it stands for base64, in FreeBSD [3] --binary.
You seem to talk about something else than coreutils. - 1. www.man7.org
https://www.man7.org/linux//man-pages/man1/md5sum.1.html 2. man.openbsd.org
https://man.openbsd.org/md5 3. man.freebsd.org
https://man.freebsd.org/cgi/man.cgi?query=md5&sektion=1&format=html
