Tired of carrying around that RSA SecurID token thingie from 1994, all beige and chewed on routinely by kids and dogs alike? RSA now has an iPhone app for that. Using the SecurID token you can have the exact same functionality using the iPhone that you would otherwise have to use a keychain dongle for. If you’re like me and have been trying to reduce the items you carry on your person for a long time this is a fantastic new option. And in a way, RSA is just helping to make a case for using an iPhone in highly secured Enterprise environments (not that they’re not helping to make…