RFC4357

Parameters

SAGE

p = 0xfffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffd97
K = GF(p)
a = K(0xfffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffd94)
b = K(0xa6)
E = EllipticCurve(K, (a, b))
G = E(0x01, 0x8d91e471e0989cda27df505a453f2b7635294f2ddf23e3b122acc99c9e9f1e14)
E.set_order(0xffffffffffffffffffffffffffffffff6c611070995ad10045841b09b761b893 * 0x1)

PARI/GP

p = 0xfffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffd97
a = Mod(0xfffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffd94, p)
b = Mod(0xa6, p)
E = ellinit([a, b])
E[16][1] = 0xffffffffffffffffffffffffffffffff6c611070995ad10045841b09b761b893 * 0x1
G = [Mod(0x01, p), Mod(0x8d91e471e0989cda27df505a453f2b7635294f2ddf23e3b122acc99c9e9f1e14, p)]

JSON

{
  "name": "id-GostR3410-2001-CryptoPro-A-ParamSet",
  "desc": "RFC4357",
  "form": "Weierstrass",
  "field": {
    "type": "Prime",
    "p": "0xfffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffd97",
    "bits": 256
  },
  "params": {
    "a": {
      "raw": "0xfffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffd94"
    },
    "b": {
      "raw": "0xa6"
    }
  },
  "generator": {
    "x": {
      "raw": "0x01"
    },
    "y": {
      "raw": "0x8d91e471e0989cda27df505a453f2b7635294f2ddf23e3b122acc99c9e9f1e14"
    }
  },
  "order": "0xffffffffffffffffffffffffffffffff6c611070995ad10045841b09b761b893",
  "cofactor": "0x1"
}