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  1. Z/11Z[X] is the finite field
  2. P(2) = 4
  3. P(3) = 3
  4. P(5) = 7

How can I solve my congruence system with polynoms?

I made my system of congruence like that :

  • X = 2 [4]
  • X = 3 [3]
  • X = 5 [7]

And it gives me 54 = 10 [11] So, X is 10 [11]

But i still don't know how to find P(X)... Can you help me ?

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  • 1
    $\begingroup$ I'm voting to close this question as off-topic because it's purely mathematical in nature. $\endgroup$ – AleksanderRas Jun 17 '19 at 7:07
  • $\begingroup$ as this is core to cryptography, i’d have a mind to keep it $\endgroup$ – b degnan Jun 17 '19 at 13:35

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