ecc

package

v0.0.0-...-aafbcf9 Latest Latest Go to latest Published: Oct 25, 2023 License: Apache-2.0 Imports: 8 Imported by: 0

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type ECPoint struct {
	CurveName string
	X, Y      *big.Int
}

type Point struct {
	Curve elliptic.Curve
	X     *big.Int
	Y     *big.Int
}

Point 定义椭圆曲线上的点

func HashToCurve(msg []byte, curve elliptic.Curve) (*Point, error)

The P-384 curve is defined over the prime field GF(p), where p is: p = 2^384 - 2^128 - 2^96 + 2^32 - 1

func NewPoint(curve elliptic.Curve, x, y *big.Int) (*Point, error)

NewPoint 根据坐标和曲线类型构造Point

func NewPointFromString(pointStr string) (*Point, error)

func ScalarBaseMult(curve elliptic.Curve, k *big.Int) *Point

func (p *Point) Add(p1 *Point) (*Point, error)

Add 计算两个点的加法

func (p *Point) Equals(p1 *Point) bool

Equals 判断两个点是否相同

func (p *Point) ScalarMult(k *big.Int) *Point

ScalarMult 计算一个点的数乘

func (p *Point) ToString() (string, error)

ToString 将Point转换为string类型