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First Successful Collision Attack On the SHA-1 Hashing Algorithm (google.com)

Artem Tashkinov writes: Researchers from Dutch and Singapore universities have successfully carried out an initial attack on the SHA-1 hashing algorithm by finding a collision at the SHA1 compression function. They describe their work in the paper "Freestart collision for full SHA-1". The work paves the way for full SHA-1 collision attacks, and the researchers estimate that such attacks will become reality at the end of 2015. They also created a dedicated web site humorously called The SHAppening.

Perhaps the call to deprecate the SHA-1 standard in 2017 in major web browsers seems belated and this event has to be accelerated.

5 of 87 comments (clear)

  1. what about git? by slashdice · · Score: 5, Funny

    Git uses SHA1 so every git repository should now be considered compromised. Dice is holding an all-hands meeting this afternoon to find a replacement. Since sourceforge supports SVN and CVS, we may use them. They're highly performant, easy to use, and (most importantly) their crypto can't be broken since they don't have any.

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    1. Re:what about git? by Anonymous Coward · · Score: 5, Funny

      The colliding file will be line noise

      I guess Perl projects using git are in trouble.

  2. You can't just string a hash together by fyngyrz · · Score: 1, Funny

    Sorry, this isn't that serious. You can't just walk up to a geisha 1 day and in fits and starts
    handle all the encoding black-hattery of some random pasha 1 character per line. Seriously, duh
    All this won't flip anyone's ricksha 1 morning. Another thing: SSL's still safe. At best it's a
    1-time (or... maybe 2) opportunity to replace someone's kasha 1 grain at a time. But probably 1

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    1. Re:You can't just string a hash together by fyngyrz · · Score: 1, Funny

      LOL, I successfully trolled a mod. :)

      That's going to keep me smiling all day!

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      I've fallen off your lawn, and I can't get up.
  3. Deliberately Incoherent Ramblings by Anonymous Coward · · Score: 3, Funny

    LOL, I successfully trolled a mod. :)

    That's going to keep me smiling all day!

    And here I thought you were just smoking crack.