cryptoeasy

Plus

spbctf

Task: Elliptic curve point addition on y² = x³ - 7x + 10 over GF(97), given points P(3,4) and Q(87,27). Solution: Apply standard ECC point addition formulas to compute P + Q = (13, 51), flag is concatenated coordinates 1351.

$ ls tags/ techniques/
elliptic_curve_point_addition

🔒

Permission denied (requires tier.pro)

Sign in to access full writeups

Create a free account with GitHub, then upgrade to Pro.

$ssh [email protected]