On Mar 16, 2006, at 11:25 AM, Paul Hoffman wrote:
At 11:11 AM -0800 3/16/06, Michael Thomas wrote:
Which leads us back to the original question, I guess. I'm fairly
certain that nobody's going to spend any MIPS-years to factor
mtcc.com's public key.
... thousands of MIPS-years for a 512-bit key ...
http://www.wisdom.weizmann.ac.il/~tromer/papers/twirl.pdf
When the time and resources are minimal, such as 10 minutes and $10K,
any message signed using a 512 bit keys MUST NOT be considered signed.
This was referenced in the draft:
http://www.sonic.net/~dougotis/id/draft-otis-mass-reputation-03.html
-Doug
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