How to encrypt session id in cookie?

Question

While I was reading about session hijacking articles, i learned that it would be nice to encrypt session id value that is stored in a cookie.

As far as I know, when I s

Answer 1

It's more important that your session IDs are random (that is, someone can't use their session ID to guess another person's), as the real danger is somebody getting their hands on another user's session ID. As long as you keep them truly random, there's no reason to or utility in encrypting it