Standard Hash

http://www.paymentsgateway.com/developerDocumentation/Integration/securewebpay/redirect.aspx

Authentication

Authentication is done using a HMAC-MD5 hash that includes the following fields.

· pg_api_login_id (found in the Virtual Terminal)

· pg_transaction_type or pg_valid_transaction_type (can be blank)

· pg_version_number

· pg_total_amount or pg_valid_amount (can be blank)

· pg_utc_time

· pg_transaction_order_number (can be blank)

· pg_client_id (can be blank)

· pg_payment_method_id (can be blank)

· pg_client_command (can be blank)

· pg_payment_command (can be blank)

The API Login ID and Secure Transaction Key can be found in the Virtual Terminal under Gateway Settings.

 

Hash Examples

Standard Hash

pg_ts_hash = HMACMD5( pg_api_login_id + "|" + pg_transaction_type + "|" + pg_version_number + "|" + pg_total_amount + "|" + pg_utc_time + "|" + pg_transaction_order_number + "|" + pg_client_id + "|" + pg_client_command + "|" + pg_payment_method_id + "|" + pg_payment_command, pg_secure_transaction_key)