Curve used in https://eprint.iacr.org/2015/565.pdf

Parameters

Sources

• FourQ: four-dimensional decompositions on a Q-curve over the Mersenne prime

JSON

{
  "name": "FourQ",
  "desc": "Curve used in https://eprint.iacr.org/2015/565.pdf",
  "sources": [
    {
      "name": "FourQ: four-dimensional decompositions on a Q-curve over the Mersenne prime",
      "url": "https://eprint.iacr.org/2015/565"
    }
  ],
  "form": "TwistedEdwards",
  "field": {
    "type": "Extension",
    "base": "0x7fffffffffffffffffffffffffffffff",
    "bits": 127,
    "degree": 2,
    "poly": [
      {
        "power": 2,
        "coeff": "0x01"
      },
      {
        "power": 0,
        "coeff": "0x01"
      }
    ]
  },
  "params": {
    "a": {
      "poly": [
        {
          "power": 0,
          "coeff": "0x00"
        }
      ]
    },
    "d": {
      "poly": [
        {
          "power": 1,
          "coeff": "0x5e472f846657e0fcb3821488f1fc0c8d"
        },
        {
          "power": 0,
          "coeff": "0xe40000000000000142"
        }
      ]
    }
  },
  "order": "0x29cbc14e5e0a72f05397829cbc14e5dfbd004dfe0f79992fb2540ec7768ce7",
  "cofactor": "0x188"
}