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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: https://ebc2.cybersource.com/ebc2
  2. On the left navigation panel, click the
    Payment Configuration
    icon.
  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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