| 1 | var BigInteger = require('bigi')
|
| 2 |
|
| 3 | var curves = require('./curves.json')
|
| 4 | var Curve = require('./curve')
|
| 5 |
|
| 6 | function getCurveByName (name) {
|
| 7 | var curve = curves[name]
|
| 8 | if (!curve) return null
|
| 9 |
|
| 10 | var p = new BigInteger(curve.p, 16)
|
| 11 | var a = new BigInteger(curve.a, 16)
|
| 12 | var b = new BigInteger(curve.b, 16)
|
| 13 | var n = new BigInteger(curve.n, 16)
|
| 14 | var h = new BigInteger(curve.h, 16)
|
| 15 | var Gx = new BigInteger(curve.Gx, 16)
|
| 16 | var Gy = new BigInteger(curve.Gy, 16)
|
| 17 |
|
| 18 | return new Curve(p, a, b, Gx, Gy, n, h)
|
| 19 | }
|
| 20 |
|
| 21 | module.exports = getCurveByName
|