Crypto dongles to secure online transactions

Ben Laurie benl at
Mon Nov 9 11:41:32 EST 2009

On Sun, Nov 8, 2009 at 7:07 AM, John Levine <johnl at> wrote:
> So before I send it off, if people have a moment could you look at it
> and tell me if I'm missing something egregiously obvious?  Tnx.
> I've made it an entry in my blog at

Haven't read this thoroughly yet, though I think I disagree with the
idea that the display should be minimal - imagine checking out of
amazon on a 2-line display. Tedious.

Anyway, I should mention my own paper on this subject (with Abe
Singer) from NSPW 2008, "Take The Red Pill _and_ The Blue Pill":

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