Nomadix HotSpot Gateway HSG User Manual page 247

H S G ™
OT POT ATEWAY
Because there is a parameter buffer size limitation of the "openssl" command, the
argument length should not have more than 80 characters.
If you are creating multiple keys, please output them into different directories and
save them as different names. However, if you are saving them as different names,
you must change the names back to "cakey.pem" when trying to FTP to the HSG.
Do not include "-des3" option to keep the private key in an unencrypted
form.
Here is the output of cakey.pem:
Quick Reference Guide 243