Just a little verification.
http://publib.boulder.ibm.com/infocenter/iseries/v7r1m0/topic/rzau4/wpinstallprereq.htm
A Cryptographic Access Provider
Required if you plan to use SSL. You can choose one of these options:
5722-AC2 (56-bit), 5722-AC3 (128-bit). If you are using V5R4 or later,
5722-AC3 is part of the operating system and does not need to be installed
separately.
The Memo to Users for V5R4 had some interesting comments. Search on AC3
in
http://publib.boulder.ibm.com/infocenter/iseries/v5r4/topic/rzaq9/rzaq9.pdf
AC3 was replaced by NAE for parts of this.
Rob Berendt