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Create a Digital Signature Key

This section describes how to create a
digital signature key
. You must create a digital signature key to enable
Cybersource
to send notifications to your servers. We recommend that you replace the digital signature key every year. When you generate a new digital signature key, it overrides the old key and new transactions must use the new key.
Notifications that use message-level encryption must also the digital signature key.
IMPORTANT
Store the created digital signature key in a secure location in your system.

Optional Notification Validation

After you set up a webhook subscription, you can validate each notification you receive using your digital signature key. For more information, see Using the Digital Signature Key to Validate a Notification.

Endpoints

Send a POST request to one of these endpoints:
  • Test:
    POST
    https://apitest.cybersource.com
    /kms/egress/v2/keys-sym
  • Production:
    POST
    https://api.cybersource.com
    /kms/egress/v2/keys-sym
  • India Production:
    POST https://api.in.cybersource.com/kms/egress/v2/keys-sym

Required Fields for Creating a Digital Signature Key

clientRequestAction
Set the value to
CREATE
.
keyInformation.expiryDuration
keyInformation.keyType
Set the value to
sharedSecret
.
keyInformation.organizationId
Set the value to the organization ID of the organization requesting the key.
keyInformation.provider
Set the value to
nrtd
.
keyInformation.tenant
Set the value to the organization ID of the organization requesting the key.

REST Example: Creating a Digital Signature Key

{ "clientRequestAction": "CREATE", "keyInformation": { "provider": "nrtd", "tenant": "merchantName", "keyType": "sharedSecret", "organizationId": "merchantName" } }
{ "submitTimeUtc": "2021-03-17T06:53:06+0000", "status": "SUCCESS", "keyInformation": { "provider": "NRTD", "tenant": "merchantName", "organizationId": "merchantName", "keyId": "bdc0fe52-091e-b0d6-e053-34b8d30a0504", //ID associated with the key in the key field "key": "u3qgvoaJ73rLJdPLTU3moxrXyNZA4eo5dklKtIXhsAE=", //Base64 encoded key "keyType": "sharedSecret", "status": "Active", "expirationDate": "2022-03-17T06:53:06+0000" }