Client Auth via PKI

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# add datagroup CertificateCA
#   String: DigiCert Server CA
#   Value: www.domain.com
when CLIENTSSL_CLIENTCERT {
   set SubCN [findstr [X509::subject [SSL::cert 0]] "CN=" 3 ","]
   set IssCN [findstr [X509::issuer [SSL::cert 0]] "CN=" 3 ","]
   if {[class match $IssCN equals CertificateCA]}{
       set name [class match -value $IssCN equals CertificateCA]
            if {$name ne ""} {
                 if { $name eq $SubCN } {
                     } else {
                       reject
                  }
              } else {
                 reject
             }
             } else {
   }
}