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timetable for RSA hacking, utilizing free computer cycles to same task w/network
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Author Topic: timetable for RSA hacking, utilizing free computer cycles to same task w/network  (Read 2061 times)
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« on: April 01, 2006, 02:25:48 PM »

factoring large numbers is hard. However, with the advances in number theory and computing power, it is getting easier. In 1977 Ron Rivest said that factoring a 125-digit number would take 40 quadrillion years. In 1994 RSA129 was factored using about 5000 MIPS-years of effort from idle CPU cycles on computers across the Internet for eight months. In 1995 the Blacknet key (116 digits) was factored using about 400 MIPS-years of effort (1 MIPS-year is a 1,000,000 instruction per second computer running for one year) from several dozen workstations and a MasPar for about three months. Given current trends the keysize that can be factored will only increase as time goes on. The table below estimates the effort required to factor some common PGP-based RSA public-key modulous lengths using the General Number Field Sieve:

KeySize MIPS-years required to factor
512 30,000
768 200,000,000
1024 300,000,000,000
2048 300,000,000,000,000,000,000
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« Reply #1 on: April 01, 2006, 05:01:28 PM »

sure, like that protein development program ;P
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