[iwar] Deterministic primality test

From: Charles Preston (cpreston@sinbad.net)
Date: 2002-08-09 21:24:39


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Date: Sat, 10 Aug 2002 00:24:39 -0400
Subject: [iwar] Deterministic primality test
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http://news.com.com/2100-1001-949170.html?tag=fd_top

Prime efforts may boost encryption

By  Sandeep Junnarkar 
Staff Writer, CNET News.com
August 9, 2002, 11:39 AM PT


Computer scientists in India have cracked an age-old mathematical 
problem by designing a method for computers to quickly prove whether a 
figure is a prime number--a vital step in cryptography.
...

 The current algorithms used in so-called primality tests are speedy 
but have a miniscule probability of producing a wrong answer. 

But a new algorithm, developed at the Indian Institute of Technology in 
Kanpur by Manindra Agrawal and his students Neeraj Kayal and Nitin 
Saxena, is believed to generate correct results each and every time. 

...

Although Agrawal's paper on the subject, titled "Primes is in P," has 
yet to be published,
 
http://www.cse.iitk.ac.in/news/primality.pdf


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