==Operational Environment==
The operational environment for the NSS cryptographic module is a general purpose, modifiable operational environment that uses one of the following commercially-available operating systems:
* Security Level 1
** Red Hat Enterprise Linux 4
** Windows XP Service Pack 2
** Solaris 10
** HP-UX B.11.11
** Mac OS X 10.4
* Security Level 2
** Red Hat Enterprise Linux 4: CAPP EAL4+
** Trusted Solaris 8: LSPP, CAPP, and RBACPP; EAL4
==Single Operator Mode of Operation==