Scientists have cracked the longest and most complex encryption key

  • French scientists managed to crack the longest and most complex encryption key that exists today. To do this, they used several simultaneously working computer clusters in France, Germany and the USA, thus reducing the time required for hacking from 35 million to several thousand computing hours.

    The RSA encryption algorithm (an abbreviation for the names of its creators Rivest, Shamir and Adleman) is one of the most popular forms of encryption that uses multiplication to obtain a very large number from a few simple ones. The algorithm is used in a significant number of cryptographic applications, including PGP, S / MIME, TLS / SSL, IPSEC / IKE, etc.

    Emmanuel Thomé of the National Institute for Research in Computer Science and Automation and his colleagues were able to decompose a RSA-240 key into prime numbers 240 decimal digits long or 795 bits, they also managed to calculate a discrete logarithm of the same length. The previous prime factoring record was set in 2010. Then it was possible to crack the RSA key with a resolution of 768 bits or with 232 decimal places.

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