dnssec-keyfromlabel(8) on macOS
The text ad2b28717760, as Mac OS X 10.7.4, Mac OS X 10.7.3, Mac OS X 10.7.2, Mac OS X 10.7.1, Mac OS X 10.7 shipped it.
DNSSEC key generation tool
Flags it lists
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-3 -
-A -
-C -
-D -
-E -
-G -
-I -
-K -
-P -
-R -
-a -
-c -
-f -
-h -
-k -
-l -
-n -
-p -
-t -
-v -
-y