skey(1) on OpenBSD
The text 70554199fa25, as OpenBSD 5.2, OpenBSD 5.1, OpenBSD 5.0, OpenBSD 4.9, OpenBSD 4.8, OpenBSD 4.7, OpenBSD 4.6, OpenBSD 4.5, OpenBSD 4.4, OpenBSD 4.3, OpenBSD 4.2 shipped it.
respond to an OTP challenge
Flags it lists
-
-md4 -
-md5 -
-n -
-p -
-rmd160 -
-sha1 -
-x