I like to see the numberphile videos as often as they appear. I find them very interesting, but I didn't share before in this blog. This time is different.
They have talk about a field that likes me very much: elliptic curves (and a pseudorandom number generator made with them, the Dual_EC_DRBG), and the greatest point is that they have summarized in 11 minutes in a wonderful elegance:
But they have not only provide an explanation for not initiated, they have pointed the key of the weakness that could have been introduced.
Update: To often I forget to write the title of a post...
Update 20140116: For further reading, I stumbled a post with a proof of concept about how this affects all the users of this algorithm. It is still a suspicion that 'P' and 'Q' has been chosen from a known 'd' and no one has calculate it, but it is that: suspicious. If you are impatient (suppose not because you are at the end of this post) or you don't wanna see into the maths, go direct to the conclusions of the post.
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