A few terabytes of storage isn't THAT expensive. Let's see: 1,000,000,000,000 bytes a CDROM holds about 640 MB, which means that 1563 CDs could hold it. At CompUSA, that were recently selling recordable CD's for $10 for five, but with a mail-in $10 rebate which means you're only paying 32 cents for postage for 5 CD's. .32*1563=$500 or so. Add in the cost of a few CD-R drives @ $300 each = $900 for recording. Combined total=$1400 Within the reach of distributed.net, I would think. On Thu, 26 Feb 1998 16:01:55 -0500 (EST) andrew fabbro <afabbro@umich.edu> writes:
On Thu, 26 Feb 1998, Dr. Alan Sherman wrote:
Why doesn't someone speed up the DES search with Hellman's time-space tradeoff, whose precomputation could be done within a month?
Probably because finding spare CPU cycles on thousands of machines is easy and free, while finding the disk storage space that you mention would be expensive, and I doubt distributed.net has the resources. And people who do have the resources are busy doing other things with them, or keep them at Fort Meade.
I forget because I haven't read that part of Applied Crypto in a while, but wasn't it terabytes of storage?
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