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Science

8% of Your DNA Comes From a Virus 478

An anonymous reader writes "About 8 percent of human genetic material comes from a virus and not from our ancestors, according to an article by University of Texas at Arlington biology professor Cédric Feschotte, published in the Jan. 7, 2010 issue of Nature magazine."
Security

Submission + - RSA-768 broken (iacr.org)

cryptopathe writes: An international team involving cryptographers from EPFL (Switzerland), NTT (Japan), University of Bonn (Germany), INRIA (France), Microsoft Research (USA) and CWI (Netherlands) has published a paper on the IACR Eprint Archive announcing the break of a 768-bit RSA modulus with help of the NFS factorization algorithm. The previous record what that of a 663-bit modulus and was established in 2005. The computation involved the equivalent of almost 2000 years of computing on a single core 2.2GHz AMD Opteron with in the order of 2^67 instructions being carried out. The authors mentioned that "Nevertheless, a 1024-bit RSA modulus is still about one thousand times harder to factor than a 768-bit one. If we are optimistic, it may be possible to factor a 1024-bit RSA modulus within the next decade by means of an academic effort on the same limited scale as the effort presented here. From a practical security point of view this is not a big deal, given that standards recommend phasing out such moduli by the end of the year 2010.

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