Typically with single use password programs that use Simple Key-management for Internet Protocols, SKIP, you enter a the pass phrase each time and a new password is generated. The best way to handle the generated password is to copy and paste it into the logon dialog. I use a 2048 bit SKIP product from Sun for accessing certain parts of my network. For wireless access WPA-AES is adequate. I do not advise using WEP since it is no longer secure.

I use a 2048 bit password for