Re: septillion operations per second

2001-06-21 Thread Mike Brodhead
If they ever build such a computer (or 1.000.000 of them) what would that mean for today's key lengths ? I am curious how long a computer capable of a septillion operations per second would take to crack one 128 bit or 256 bit key. Or a RSA 1024 or 2048 bit key for that matter ... take

Re: septillion operations per second

2001-06-21 Thread Arnold G. Reinhold
) operations every second. --- If they ever build such a computer (or 1.000.000 of them) what would that mean for today's key lengths ? I am curious how long a computer capable of a septillion operations per second would take to crack one 128 bit or 256 bit key. Or a RSA 1024 or 2048 bit key

Re: septillion operations per second

2001-06-21 Thread David Honig
At 12:16 PM 6/20/01 +0200, Barry Wels wrote: Hi, In James Bamford's new book 'Body of Secrets' he claims the NSA is working on some FAST computers. http://www.randomhouse.com/features/bamford/book.html Fantastic book. I read the stuff about using Areceibo for moon-bounce surveillance of

Re: septillion operations per second

2001-06-21 Thread Ben Laurie
. --- If they ever build such a computer (or 1.000.000 of them) what would that mean for today's key lengths ? I am curious how long a computer capable of a septillion operations per second would take to crack one 128 bit or 256 bit key. Or a RSA 1024 or 2048 bit key for that matter ... 10^24

Re: septillion operations per second

2001-06-21 Thread Ian Goldberg
In article [EMAIL PROTECTED], Mike Brodhead [EMAIL PROTECTED] wrote: take a peek at the chapter on key lengths in Schneier's Applied Cryptography. it is an entertaining read. in short, he makes the case that computers as we understand them simply cannot conduct brute force attacks against

septillion operations per second

2001-06-20 Thread Barry Wels
such a computer (or 1.000.000 of them) what would that mean for today's key lengths ? I am curious how long a computer capable of a septillion operations per second would take to crack one 128 bit or 256 bit key. Or a RSA 1024 or 2048 bit key for that matter ... Greetings, Barry