Is there such a thing?

I know theres an encryption pack for Solaris 10. Would this do disk
encryption?

Basically, I need to build a few Jumpstart laptops which will be used
to build Solaris 9 systems. Trouble is the requirement is that they
must be encrypted.

Any suggestions?

I suppose I could run Solaris 10, along with encryption pack, on the
laptops but still build Solaris 9 using Jumpstart? Is that possible?