curves

package

v1.0.1 Latest Latest Go to latest Published: Aug 28, 2023 License: Apache-2.0 Imports: 8 Imported by: 2

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const (
	Secp256k1 string = "secp256k1"
	Ed25519   string = "ed25519"
)

This section is empty.

func GetCurveByName(curveName string) (elliptic.Curve, bool)

func GetCurveName(curve elliptic.Curve) string

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

func EcdsaPubKeyToPoint(pubkeyStr string) (*ECPoint, error)

func Ed25519PubKeyToPoint(pubkeyStr string) (*ECPoint, error)

func NewECPoint(curve elliptic.Curve, X, Y *big.Int) (*ECPoint, error)

func ScalarToPoint(curve elliptic.Curve, k *big.Int) *ECPoint

ScalarToPoint return public key k*G

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

Add two point add

func (p *ECPoint) Equals(p2 *ECPoint) bool

func (p *ECPoint) IsOnCurve() bool

func (p *ECPoint) MarshalJSON() ([]byte, error)

func (p *ECPoint) PointToEcdsaPubKey() string

func (p *ECPoint) PointToEd25519PubKey() string

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

func (p *ECPoint) SetCurve(curve elliptic.Curve) *ECPoint

func (p *ECPoint) UnmarshalJSON(payload []byte) error