Parameters

Characteristics

• OID:
  2.23.43.1.4.12

SAGE

p = 0xffffffffffffffffffffffffffffffff000000000000000000000001
K = GF(p)
a = K(0xfffffffffffffffffffffffffffffffefffffffffffffffffffffffe)
b = K(0xb4050a850c04b3abf54132565044b0b7d7bfd8ba270b39432355ffb4)
E = EllipticCurve(K, (a, b))
G = E(0xb70e0cbd6bb4bf7f321390b94a03c1d356c21122343280d6115c1d21, 0xbd376388b5f723fb4c22dfe6cd4375a05a07476444d5819985007e34)
E.set_order(0xffffffffffffffffffffffffffff16a2e0b8f03e13dd29455c5c2a3d * 0x1)

PARI/GP

p = 0xffffffffffffffffffffffffffffffff000000000000000000000001
a = Mod(0xfffffffffffffffffffffffffffffffefffffffffffffffffffffffe, p)
b = Mod(0xb4050a850c04b3abf54132565044b0b7d7bfd8ba270b39432355ffb4, p)
E = ellinit([a, b])
E[16][1] = 0xffffffffffffffffffffffffffff16a2e0b8f03e13dd29455c5c2a3d * 0x1
G = [Mod(0xb70e0cbd6bb4bf7f321390b94a03c1d356c21122343280d6115c1d21, p), Mod(0xbd376388b5f723fb4c22dfe6cd4375a05a07476444d5819985007e34, p)]

JSON

{
  "name": "wap-wsg-idm-ecid-wtls12",
  "desc": "",
  "oid": "2.23.43.1.4.12",
  "form": "Weierstrass",
  "field": {
    "type": "Prime",
    "p": "0xffffffffffffffffffffffffffffffff000000000000000000000001",
    "bits": 224
  },
  "params": {
    "a": {
      "raw": "0xfffffffffffffffffffffffffffffffefffffffffffffffffffffffe"
    },
    "b": {
      "raw": "0xb4050a850c04b3abf54132565044b0b7d7bfd8ba270b39432355ffb4"
    }
  },
  "generator": {
    "x": {
      "raw": "0xb70e0cbd6bb4bf7f321390b94a03c1d356c21122343280d6115c1d21"
    },
    "y": {
      "raw": "0xbd376388b5f723fb4c22dfe6cd4375a05a07476444d5819985007e34"
    }
  },
  "order": "0xffffffffffffffffffffffffffff16a2e0b8f03e13dd29455c5c2a3d",
  "cofactor": "0x1",
  "aliases": [
    "secg/secp224r1",
    "nist/P-224",
    "x963/ansip224r1"
  ]
}