funsec mailing list archives

Re: The end of Phishing in sight?


From: Blue Boar <BlueBoar () thievco com>
Date: Mon, 17 Oct 2005 14:43:28 -0700

Richard M. Smith wrote:
It would also be bad if someone knew the algorithm for generating random
numbers from a device, right?

For old-style SecureID... I believe it's semi-public knowledge that Mudge broke this (with some help, possibly, I can't recall. I don't want to mis-assign anyone's credit.)

I believe it takes some small number of sequential number groups, and you can start predicting and arbitrary number of future ones.

However, that's the old proprietary, non-pin, non-challenge-response flavor of RSA token. I believe new ones don't have this issue, and there are different token styles to choose from.

                                        Ryan
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