Created
November 16, 2017 13:21
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Curve25519 with sage
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| # create curve | |
| ec = EllipticCurve(GF(2**255-19), [0,486662,0,1,0]) | |
| base_point = ec.lift_x(9) | |
| point_at_infinity = ec(0) | |
| # all elements of order 4 | |
| G4s = ec.lift_x(1, True) | |
| G4 = ec.lift_x(1) # just the first element | |
| # the element of order 2 | |
| G2 = G4 + G4 |
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Can I have complete code