Geodesic
On the solution of quadratic equations in binary fields
Prikladnaya Diskretnaya Matematika. Supplement, no. 5 (2012), pp. 6-7.

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The article presents a fast method to find the roots of quadratic equations in finite fields of characteristic two. The generalized formula of semitrace is obtained based on the construction of normal bases using a symmetric quadratic extension. 
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K. L. Glusko; S. S. Titov. On the solution of quadratic equations in binary fields. Prikladnaya Diskretnaya Matematika. Supplement, no. 5 (2012), pp. 6-7. http://geodesic.mathdoc.fr/item/PDMA_2012_5_a0/

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