我有一个购物车，当用户购买和结账时，一些数据发送到贝宝。我已经检查过使用firebug我们可以看到哪些数据已发布到paypal网站。像样本数据发布到Paypal下面
address1 Unit 1 Stirling Park
address_override 1
amount_1 350.00
amount_2 11.00
amount_3 72.20
business msindia@bba-reman.com
cancel_return http://www.msindia.com/catalogue/order/PayPalFailure.aspx
city Rochester
cmd _cart
cn How did you hear about us?
country GB
currency_code GBP
first_name ben
invoice PP001250
item_name_1 Marea 2.4 TD
item_name_2 carriage
item_name_3 VAT Amount
item_number_1 0281001741
last_name walker
notify_url http://www.msindia.com/catalogue/order/PayPalNotify.aspx
return http://www.msindia.com/catalogue/order/PayPalSuccess.aspx
state KENT
upload 1
zip ME9 3QQ
是否有任何技巧可以加密数据然后发送到PayPal，但是paypal会理解加密并使用传入数据填充其表单。如果有任何人有经验，请指导。感谢