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How to choose rank(A) independant columns of matrix A efficiently

Compute the row echelon form of the matrix and select the pivot columns. Computing the row echelon form of a $m\times n$ matrix will take $O(m^2n)$ field operation, which is pretty straightforward. If ...
Daniel S's user avatar
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3 votes
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Decrypting McEliece if security assumptions fail

If you know $G$ and $G'$ you can recover typically recover $P$ from the support splitting algorithm. Note that the support-splitting algorithm is independent of the bases used to represent the two ...
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Decrypting McEliece if security assumptions fail

2.a) there you can just solve the systems of equations 2.b) I think thats not possible 1 you could simply try out all possibilities for P - there are not so many ones, then calculate the corresponding ...
hermann's user avatar

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