how fast is fast des these days? (i have measured over 2 mbps on decent workstations.) i was in a meeting today attended by someone from nsa who said that 2.4 gbps des chips exists today. (he got real silent after blurting this out. hmm.) 2.4 gbps is 37.5 million des per sec. it is probably not much challenge to put together a 65,536 element machine, which would run at 2.5 trillion des per sec. if i have my arithmetic right, this could exhaustively test the space of 56 bit keys in about eight hours.
SUB: fast des how fast is fast des these days? (i have measured over 2 mbps on decent workstations.)
On that note, what's the best available software implementation? The best one I've run across is the Ferguson code (both small and fast, uses some clever tables rather than big ones.) _Mark_ <eichin@athena.mit.edu> MIT Student Information Processing Board Cygnus Support <eichin@cygnus.com>
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