Valer BOCAN’s Web Log

Mathematicians have bad news for those relying on 1024-bit asymmetric cryptography. On March 6th, 2007, computer clusters from three institutions (EPFL - Ecole Polytechnique Fédérale de Lausanne, University of Bonn and NTT in Japan), at the end of 11 months of number crunching they found the factors of a large, hard to factor prime number. The number is 2¹⁰³⁹ - 1 and is 307 digits long (1023 bits). The entire computation effort was 100 years computer time.

Read the entire story here.

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This entry was posted on Tuesday, June 19th, 2007 at 11:49 am and is filed under Misc. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.