skey(1) on OpenBSD
The text cb4192e443dc, as OpenBSD 7.0, OpenBSD 6.9, OpenBSD 6.8, OpenBSD 6.7, OpenBSD 6.6, OpenBSD 6.5, OpenBSD 6.4, OpenBSD 6.3, OpenBSD 6.2, OpenBSD 6.1, OpenBSD 6.0, OpenBSD 5.9 shipped it.
respond to an OTP challenge
Flags it lists
-
-md5 -
-n -
-p -
-rmd160 -
-sha1 -
-x