crypto

Documentation

Index

• func Secp256k1() elliptic.Curve
• type KoblitzCurve
  • func (curve *KoblitzCurve) Add(x1, y1, x2, y2 *big.Int) (*big.Int, *big.Int)
  • func (curve *KoblitzCurve) Double(x1, y1 *big.Int) (*big.Int, *big.Int)
  • func (curve *KoblitzCurve) IsOnCurve(x, y *big.Int) bool
  • func (curve *KoblitzCurve) Params() *elliptic.CurveParams
  • func (curve *KoblitzCurve) ScalarBaseMult(k []byte) (*big.Int, *big.Int)
  • func (curve *KoblitzCurve) ScalarMult(Bx, By *big.Int, k []byte) (*big.Int, *big.Int)

Functions

func Secp256k1

func Secp256k1() elliptic.Curve

Types

type KoblitzCurve

type KoblitzCurve struct {
	P       *big.Int // the order of the underlying field
	N       *big.Int // the order of the base point
	B       *big.Int // the constant of the KoblitzCurve equation
	Gx, Gy  *big.Int // (x,y) of the base point
	BitSize int      // the size of the underlying field
}

A Koblitz Curve with a=0.

func (*KoblitzCurve) Add

func (curve *KoblitzCurve) Add(x1, y1, x2, y2 *big.Int) (*big.Int, *big.Int)

func (*KoblitzCurve) Double

func (curve *KoblitzCurve) Double(x1, y1 *big.Int) (*big.Int, *big.Int)

func (*KoblitzCurve) IsOnCurve

func (curve *KoblitzCurve) IsOnCurve(x, y *big.Int) bool

func (*KoblitzCurve) Params

func (curve *KoblitzCurve) Params() *elliptic.CurveParams

func (*KoblitzCurve) ScalarBaseMult

func (curve *KoblitzCurve) ScalarBaseMult(k []byte) (*big.Int, *big.Int)

func (*KoblitzCurve) ScalarMult

func (curve *KoblitzCurve) ScalarMult(Bx, By *big.Int, k []byte) (*big.Int, *big.Int)