Legacy Key Exchange - caddbkeyexchange

Interac (Canadian Domestic Debit) requires a legacy key update once every 200 Interac transactions. This transaction type exists prior to EMV API and has a slightly different response format.

In this section:


Field name Description Required Length Data type
ssl_merchant_id Merchant ID
Elavon-assigned Converge account ID.
Required 15 numeric
ssl_user_id Converge User ID
The user ID with Hosted Payment API User status that can send transaction requests through the terminal.
Required 15 alphanumeric
ssl_pin Terminal ID
Unique identifier of the terminal that will process the transaction request and submit to the Converge gateway.


The ssl_user_id sending the transaction request must be associated with the terminal that will process the request.

Required 64 alphanumeric
ssl_transaction_type Transaction Type
Valid value: caddbkeyexchange
Required 20 alphanumeric


Field name Description
ssl_status Transaction Result Message
A result of SUCCESS indicates that the legacy keys were updated.
ssl_mac_key Public Key for MAC Calculation
ssl_pin_key PIN Key
The public key for processing enciphered PIN (ssl_pin_block).
ssl_reference_number Transaction Reference Number
ssl_sys_trace_audit_number Converge-defined System Trace Audit Number
[Error] Returned only if an error occurs. Refer to the Error Codes section for more information.
errorCode Error Code
Typically, when the transaction failed validation or the request is incorrect. This will prevent the transaction from going to authorization. This is a numeric field.
errorMessage Error Message
Detailed explanation of the error. This field may be changed based on merchant configuration in the user interface.
errorName Error Name
Error name or reason for the error.