util

func AppendByt ¶

func AppendByt(byts ...[]byte) []byte

func CombineXY ¶

func CombineXY(shares [][]*big.Int) (*big.Int, error)

func EvaluatePolynomial ¶

func EvaluatePolynomial(polynomial []*big.Int, value *big.Int) *big.Int

*

• Evauluates a polynomial with coefficients specified in reverse order:
• evaluatePolynomial([a, b, c, d], x):
• returns a + bx + cx^2 + dx^3

*

func Hash_class ¶

func Hash_class(data []byte) ([]byte, error)

func HexToBytes ¶

func HexToBytes(s string) ([]byte, error)

func Kdf ¶

func Kdf(secret []byte) (key []byte, err error)

func LambdaS ¶

func LambdaS(i int, shares []*big.Int) (*big.Int, *big.Int, error)

func ZeroPad ¶

func ZeroPad(b []byte, leigth int) []byte