cryptoProeasy

Multik

spbctf

Task: Scalar multiplication on elliptic curve y² = x³ - 3x + 1 over GF(257), given point P(255,241) and scalar k=167. Solution: Implemented Double-and-Add algorithm to compute k*P efficiently, result is (107, 115).

$ ls tags/ techniques/
elliptic_curve_scalar_multiplicationdouble_and_add

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