security - How can one make a web-site accessible only when someone has a dongle? -


Suppose you want to add an extra layer of credentials at the top of SSL-encrypted login / password, but you Want to increase the user's complexity? Is there a way to add the need for the possession of dongle in web-server authentication schemes with existing cross-platform browser capabilities?

In other words, access to a web site requires a username, password and a USB dongle that is plugged into a client computer.

It would be ideal if this dongle solution works with Firefox or with a simple addition to a plugin.

Ideas and suggestions are appreciated.

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This is a small USB dongle which is USB Works as a keyboard (i.e. no special driver or client software is required) and is absolutely ready for such authentication.


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