PayPal Gateway - 2013 Guia do Utilizador descarregar pdf (Página 31)

Gateway Developer Guide and Reference 07 February 2013 31

Secure Token

This section describes the secure token.

 “Secure Token” on page 31

 “Integrating the Secure Token With the Hosted Checkout Pages” on page 31

 “Integrating the Secure Token Without the Hosted Checkout Pages: Transparent Redirect”

on page 32

 “Posting To the Hosted Checkout Page” on page 34

 “Using the PARMLIST Parameter” on page 44

About the Secure Token

Use a secure token to send non-credit card transaction data to the Gateway server for safer

storage. The secure token prevents anyone from intercepting or manipulating the data. You

must use a secure token if you use hosted checkout pages. The token is good for a one-time

transaction and is valid for 30 minutes.

NOTE: PayPal Payments Pro and Payflow Pro merchants who do not use a secure token must

host their own payment pages. When hosting your own pages, you are responsible for

meeting PCI requirements by handling data securely. PayPal Payments Advanced and

Payflow Link merchants must use a secure token with hosted checkout pages.

To obtain a secure token, pass a unique, 36-character secure token ID and set

CREATESECURETOKEN=Y in a request to the Gateway server. The Gateway server associates

your ID with a secure token and returns the token as a string of up to 32 alphanumeric

characters.

To pass the transaction data to the hosted checkout page, you pass the secure token and secure

token ID in an HTTP form post. The token and ID trigger the Gateway server to retrieve your

data and display it for customer approval.

NOTE: You cannot modify the data sent with a secure token, with one exception. You can

configure PayPal Manager to allow you to modify billing and shipping information.

Integrating the Secure Token With the Hosted Checkout Pages

To create a secure token, pass all parameters that you need to process the transaction except

for payment details parameters such as the credit card number, expiration date, and check

number. For details on transaction parameters, see “Submitting Credit Card Transactions” on

page 55. In addition, pass the following Payflow parameters to create the secure token.

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PayPal Gateway - 2013 Guia do Utilizador Página 31