[tahoe-dev] Down with ECDSA

James A. Donald jamesd at echeque.com
Thu Aug 20 00:45:43 UTC 2009


Zooko Wilcox-O'Hearn wrote:
 > I often check these benchmarks for new results:
 >
 > http://bench.cr.yp.to/results-sign.html

Looking at those benchmarks, it looks like everything
faster than ecdonaldp160 can be broken in a couple of
months by a single good desktop computer, so
ecdonaldp160 is the fastest public key algorithm left
standing of the algorithms benchmarked.

Am I reading the benchmarks correctly?

Random 512 products of large primes take a couple of
months to factor, and log operations are usually
similar, but the largest elliptic curve on which a log
operation has been performed is based on a 112 bit prime
field



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