#!/bin/bash
# This script converts a certificate from the PEM format to the DER format
# (Windows works with certificates in both DER and PEM format,
# but the PEM format certificates must have the .CRT extension instead of .PEM)

# (C) 2005 Digithell, Inc. (Pavel Strachota, FNSPE CTU)

if [ -z "$1" ]
then
    echo synopsis: pem2der certificate_fle
else
    pem_file=$1
    der_file=${pem_file%".pem"}".der"
    openssl x509 -in $pem_file -inform PEM -out $der_file -outform DER
fi