有理数体
#UnionCTF from Crypto.Util.number import bytes_to_long from secrets import k, FLAG assert k < 2^128 assert FLAG.startswith(b'union{') E = EllipticCurve(QQ,[0,1,0,78,-16]) P = E(1,8) Q = k*P R = (k+1)*P p = Q[0].numerator() q = R[0].numerat…
#UnionCTF from Crypto.Util.number import bytes_to_long from secrets import k, FLAG assert k < 2^128 assert FLAG.startswith(b'union{') E = EllipticCurve(QQ,[0,1,0,78,-16]) P = E(1,8) Q = k*P R = (k+1)*P p = Q[0].numerator() q = R[0].numerat…