ec

package

v0.0.0-...-ee1bab5 Latest Latest Go to latest Published: Apr 12, 2024 License: MIT Imports: 2 Imported by: 0

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Repository

github.com/olegfomenko/crypto

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Open Source Insights

README ¶

Elliptic curve

This package contains Go (only) implementation of elliptic curve with equation: y^2 =x^3 + ax + b. It also implements the standard Go elliptic.Curve interface.

The SECP256K1() function returns curve instance with parameters from SEC 2: Recommended Elliptic Curve Domain Parameters.

In the tests you can find the comparison of this implementation and popular Ethereum implementation.

More about (Wiki)

Documentation ¶

Overview ¶

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

This section is empty.

Types ¶

type Curve ¶

type Curve struct {
	P       *big.Int
	N       *big.Int
	A       *big.Int
	B       *big.Int
	Gx, Gy  *big.Int
	BitSize int
}

Curve implements elliptic curve with equation: y^2 =x^3 + ax + b

func SECP256K1 ¶

func SECP256K1() *Curve

SECP256K1 returns an Ethereum secp256k1 curve

func (*Curve) Add ¶

func (c *Curve) Add(x1, y1, x2, y2 *big.Int) (x, y *big.Int)

func (*Curve) Double ¶

func (c *Curve) Double(x1, y1 *big.Int) (x, y *big.Int)

func (*Curve) IsOnCurve ¶

func (c *Curve) IsOnCurve(x, y *big.Int) bool

func (*Curve) Params ¶

func (c *Curve) Params() *elliptic.CurveParams

func (*Curve) ScalarBaseMult ¶

func (c *Curve) ScalarBaseMult(k []byte) (x, y *big.Int)

func (*Curve) ScalarMult ¶

func (c *Curve) ScalarMult(x1, y1 *big.Int, k []byte) (x, y *big.Int)

Source Files ¶

View all Source files

main.go

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