Messages in this thread | | | From | root@mauve ... | Subject | Re: Lockless file reading | Date | Thu, 28 Aug 2003 18:26:49 +0100 (BST) |
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> > Ragnar Hojland Espinosa wrote: > > It can happen. It happened to me with two gifs. FWIW. > > Probability on the order of 2^-32 with MD5 any-pairs collision. > (It's not usual to have so many GIFs to compare, though :) > SHA is better, and both probably have some weakness that increases the > probability of collision. > > Do you still have the GIFs?
MD5 is 128 bit output, so that's around 2^64 pairs before you have a birthday. There arn't that many GIFs in the world. I'd be really surprised if there were that many pictures in the world. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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