Create a Shared Secret Key for HTTP Signature Authentication

Before you can send requests for CyberSource REST API services that are authenticated using HTTP Signature, you must create a shared secret key for your CyberSource merchant account in the Business Center.
HTTP Signature authentication is provided by a Base-64 encoded transaction key, represented in a string format.
To create a shared secret key certificate:
  1. Log in to the Business Center.
    Production Environment:
  2. On the left navigation panel, click the
    Payment Configuration
  3. Click
    Key Management
    The Key Management page appears.
  4. Click
    Generate Key
    The Create Key page appears.
  5. Select
    REST Shared Secret
  6. Copy the generated key to your clipboard by clicking the clipboard icon, or click
    Download key
    to download the shared secret.
Now you are ready to generate the header.
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