Buy more KeyLocker signatures
You can add KeyLocker signatures to a Code Signing certificate to replenish a low volume or to prepare for future needs.
Additional signatures are available in packs of 1000.
You can only add KeyLocker signatures to an issued Code Signing certificate that uses KeyLocker.
In your CertCentral account, on the left-side navigation, select My Digital Trust Products > Certificates.
On the Order list, locate and select the desired code signing certificate.
On the Order details page, select Actions > Buy signatures.
Change quantity as needed, and then check out.