createmultiplecerts.sh

#!/bin/bash
for i in {1..5}
do
   echo "creating $i certificate stared"
   step ca certificate sampledev$i sampledev$i.crt sampledev$i.key --provisioner-password-file password.txt -f
   openssl pkcs12 -export -out sampledev$i.pfx -inkey sampledev$i.key -in sampledev$i.crt -password pass:yourpassword
   echo "creating $i certificate completed"
done