utils

package

v0.0.0-...-d238806 Latest Latest Go to latest Published: Nov 2, 2019 License: GPL-2.0, GPL-3.0 Imports: 10 Imported by: 14

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var Curve *btcec.KoblitzCurve = btcec.S256()

func AddPrivKeys(k1, k2 []byte) []byte

func AddPubKeys(k1, k2 []byte) []byte

func BytesToNum(byteString []byte) *big.Int

func Compress(x, y *big.Int) []byte

func DoubleSha256(data []byte) []byte

func Expand(key []byte) (*big.Int, *big.Int)

func Hash160(data []byte) []byte

func NewPrivateKey() (*big.Int, error)

func PrivToPub(key []byte) []byte

func PubkeyPointsFromPrivkey(privkey *big.Int) (*big.Int, *big.Int)

func Sha256(inputs ...[]byte) []byte

func Sha256File(fileName string) ([]byte, error)

type Elgamal struct {
	X Point // since each one of these is a curve point
	Y Point // since each one of these is a curve point
}

func (e *Elgamal) Set(x, y Point)

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

func Add(x1, x2 Point) Point

func PointFromPrivkey(privkey *big.Int) Point

func ScalarBaseMult(a []byte) Point

func ScalarMult(P Point, a []byte) Point

func Sub(x1, x2 Point) Point

func (p *Point) Add(x1, x2 Point)

func (p *Point) AddCoords(x1, y1, x2, y2 *big.Int)

func (p *Point) Bytes() []byte

func (p *Point) Cmp(a Point) bool

func (p *Point) ScalarMult(a []byte)

func (p *Point) Set(x, y *big.Int)