Parameters

SAGE

p = 0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff45
K = GF(p)
A = K(0x38251)
B = K(0x01)
E = EllipticCurve(K, ((3 - A^2)/(3 * B^2), (2 * A^3 - 9 * A)/(27 * B^3)))
def to_weierstrass(A, B, x, y):
	return (x/B + A/(3*B), y/B)
def to_montgomery(A, B, u, v):
	return (B * (u - A/(3*B)), B*v)
G = E(*to_weierstrass(A, B, K(0x5), K(0x1eebe07dc1871896732b12d5504a32370471965c7a11f2c89865f855ab3cbd7c224e3620c31af3370788457dd5ce46df)))
E.set_order(0x1000000000000000000000000000000000000000000000000e85a85287a1488acd41ae84b2b7030446f72088b00a0e21 * 0x8)
# This curve is a Weierstrass curve (SAGE does not support Montgomery curves) birationally equivalent to the intended curve.
# You can use the to_weierstrass and to_montgomery functions to convert the points.

JSON

{
  "name": "Curve383187",
  "desc": "",
  "form": "Montgomery",
  "field": {
    "type": "Prime",
    "p": "0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff45",
    "bits": 283
  },
  "params": {
    "a": {
      "raw": "0x38251"
    },
    "b": {
      "raw": "0x01"
    }
  },
  "generator": {
    "x": {
      "raw": "0x5"
    },
    "y": {
      "raw": "0x1eebe07dc1871896732b12d5504a32370471965c7a11f2c89865f855ab3cbd7c224e3620c31af3370788457dd5ce46df"
    }
  },
  "order": "0x1000000000000000000000000000000000000000000000000e85a85287a1488acd41ae84b2b7030446f72088b00a0e21",
  "cofactor": "0x8"
}