On Sep 8, 2013, at 1:06 PM, Jerry Leichter wrote: > There was a proposal out there based on something very much like this to > create tamper-evident signatures. I forget the details - it was a couple of > years ago - but the idea was that every time you sign something, you modify > your key in some random way, resulting in signatures that are still > verifiably yours, but also contain the new random modification. Beyond that, > I don't recall how it worked - it was quite clever... ah, here it is: > http://eprint.iacr.org/2005/147.pdf Spoke too quickly - that paper is something else entirely. I still can't locate the one I was thinking of. -- Jerry
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