Invalid Fields for Check Order Data for Cybersource add in

Probably a newb question but here goes nothing:

Ok, i have been trying to fix this problem, and still receive an invalid for "currency" and "orderPage_signaturePublic"! I have tried adding this line "return pack ("H*", sha1($in));" in my HOP.php page after "function cybs_sha1($in) { " and still nothing. I keep receiving the following errors:

currency X X X INVALID usd
orderPage_signaturePublic X X X INVALID 4hPjNRYwFEUjLh4BMZvD3ihjCUU=

Also, I think the instructions "CyberSource Payment Module
Implementation Guidelines (SOP Connection Method)" are out dated since i tried logging into the test business centerand generate an HOP.php page.

I have installed a different language pack, since my site is in spanish and need to get this thing up and running.

Any ideas!