Internal or Embedded CSS; External CSS. SWUpdate Now, after you have seen how you could code a state machine in C++, let's look at Listing 2 again, but this time not so much as an implementation of a state machine, but as its specification. A lighter-weight approach to firmware exchange with an embedded system would be to encrypt the image with Blowfish, instead of RSA. Note: SVG's style element has the same attributes as the corresponding element in HTML (see HTML's