ecc

package

v0.0.0-...-d9d7dc4 Latest Latest Go to latest Published: Aug 26, 2021 License: MIT Imports: 6 Imported by: 0

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Repository

github.com/newship/tools

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Documentation ¶

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Index ¶

func Marshal(curve Curve, x, y *big.Int) []byte
func RecoverPoint(x1 *big.Int, v uint) (y1 *big.Int, err error)
func SM2C() *eccCurve
func Unmarshal(curve Curve, data []byte) (x, y *big.Int)
type Curve
type CurveParams

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

func Marshal ¶

func Marshal(curve Curve, x, y *big.Int) []byte

Marshal converts a point into the uncompressed form specified in section 4.3.6 of ANSI X9.62.

func RecoverPoint ¶

func RecoverPoint(x1 *big.Int, v uint) (y1 *big.Int, err error)

func SM2C ¶

func SM2C() *eccCurve

func Unmarshal ¶

func Unmarshal(curve Curve, data []byte) (x, y *big.Int)

Unmarshal converts a point, serialized by Marshal, into an x, y pair. It is an error if the point is not in uncompressed form or is not on the curve. On error, x = nil.

Types ¶

type Curve ¶

type Curve = elliptic.Curve

A Curve represents a short-form Weierstrass curve with a=-3. See https://www.hyperelliptic.org/EFD/g1p/auto-shortw.html

type CurveParams ¶

type CurveParams = elliptic.CurveParams

CurveParams contains the parameters of an elliptic curve and also provides a generic, non-constant time implementation of Curve.

Source Files ¶

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