Merge branch 'smartcardeku' of https://github.com/Keyfactor/digicert-certcentral-caplugin into smartcardeku

Author: dgaley

README.md

@@ -106,7 +106,8 @@ An API Key within your Digicert account that has the necessary permissions to en
     * **Organization-Name** - OPTIONAL: For requests that will not have a subject (such as ACME) you can use this field to provide the organization name. Value supplied here will override any CSR values, so do not include this field if you want the organization from the CSR to be used. 
     * **RenewalWindowDays** - OPTIONAL: The number of days from certificate expiration that the gateway should do a renewal rather than a reissue. If not provided, default is 90. 
     * **CertType** - OPTIONAL: The type of cert to enroll for. Valid values are 'ssl' and 'client'. The value provided here must be consistant with the ProductID. If not provided, default is 'ssl'. Ignored for secure_email_* product types. 
-    * **IncludeClientAuthEKU** - OPTIONAL for SSL certs, ignored otherwise. If set to 'true', SSL certs enrolled under this template will have the Client Authentication EKU added to the request. NOTE: This feature is currently planned to be removed by DigiCert in May 2026. 
+    * **IncludeClientAuthEKU** - OPTIONAL for SSL certs, ignored otherwise. If set to 'true', SSL certs enrolled under this template will have the Client Authentication EKU added to the request. NOTE: This feature is currently planned to be removed by DigiCert in March 2027. 
+    * **IncludeKDCSmartCardLogonEKU** - OPTIONAL for SSL certs, ignored otherwise. If set to 'true', SSL certs enrolled under this template will have the KDC/SmartCardLogon EKU added to the request. 
     * **EnrollDivisionId** - OPTIONAL: The division (container) ID to use for enrollments against this template. 
     * **CommonNameIndicator** - Required for secure_email_sponsor and secure_email_organization products, ignored otherwise. Defines the source of the common name. Valid values are: email_address, given_name_surname, pseudonym, organization_name 
     * **ProfileType** - Optional for secure_email_* types, ignored otherwise. Valid values are: strict, multipurpose. Use 'multipurpose' if your cert includes any additional EKUs such as client auth. Default if not provided is dependent on product configuration within Digicert portal. 

integration-manifest.json

@@ -74,7 +74,11 @@
                 },
                 {
                     "name": "IncludeClientAuthEKU",
-                    "description": "OPTIONAL for SSL certs, ignored otherwise. If set to 'true', SSL certs enrolled under this template will have the Client Authentication EKU added to the request. NOTE: This feature is currently planned to be removed by DigiCert in May 2026."
+                    "description": "OPTIONAL for SSL certs, ignored otherwise. If set to 'true', SSL certs enrolled under this template will have the Client Authentication EKU added to the request. NOTE: This feature is currently planned to be removed by DigiCert in March 2027."
+                },
+                {
+                    "name": "IncludeKDCSmartCardLogonEKU",
+                    "description": "OPTIONAL for SSL certs, ignored otherwise. If set to 'true', SSL certs enrolled under this template will have the KDC/SmartCardLogon EKU added to the request."
                 },
                 {
                     "name": "EnrollDivisionId",