Don't try to test the RSA command if it is not available.

PATH=../apps:$PATH

export PATH

if ../apps/openssl list-standard-commands | grep '^rsa$' >/dev/null; then

  echo openssl rsa command available

else

  echo openssl rsa command not available, skipping test

  exit 0

fi

cmd='../apps/openssl rsa'

if [ "$1"x != "x" ]; then