SCEP renewals
Convert private key to PKCS#8 DER format.
openssl pkcs8 -topk8 -inform PEM -outform DER -in device.pem.key -out device.der.key -nocrypt
Convert private key to PKCS#8 DER format.
openssl pkcs8 -topk8 -inform PEM -outform DER -in device.pem.key -out device.der.key -nocrypt