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secp256k1

package

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Versions in this module

v0

v0.2.2

Jun 30, 2023

v0.2.1

Mar 31, 2023

v0.2.0

Dec 23, 2021

v0.1.3

Oct 29, 2021

v0.1.2

Jul 26, 2021

v0.1.1

Jul 5, 2021

v0.1.0

Jun 21, 2021

Changes in this version

+ var ErrInvalidKey = errors.New("invalid private key")

+ var ErrInvalidMsgLen = errors.New("invalid message length, need 32 bytes")

+ var ErrInvalidPubkey = errors.New("invalid public key")

+ var ErrInvalidRecoveryID = errors.New("invalid signature recovery id")

+ var ErrInvalidSignatureLen = errors.New("invalid signature length")

+ var ErrRecoverFailed = errors.New("recovery failed")

+ var ErrSignFailed = errors.New("signing failed")

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

+ func DecompressPubkey(pubkey []byte) (x, y *big.Int)

+ func RecoverPubkey(msg []byte, sig []byte) ([]byte, error)

+ func Sign(msg []byte, seckey []byte) ([]byte, error)

+ func VerifySignature(pubkey, msg, signature []byte) bool

+ type BitCurve struct

+ B *big.Int

+ BitSize int

+ Gx *big.Int

+ Gy *big.Int

+ N *big.Int

+ P *big.Int

+ func S256() *BitCurve

+ func (BitCurve *BitCurve) Add(x1, y1, x2, y2 *big.Int) (*big.Int, *big.Int)

+ func (BitCurve *BitCurve) Double(x1, y1 *big.Int) (*big.Int, *big.Int)

+ func (BitCurve *BitCurve) IsOnCurve(x, y *big.Int) bool

+ func (BitCurve *BitCurve) Marshal(x, y *big.Int) []byte

+ func (BitCurve *BitCurve) Params() *elliptic.CurveParams

+ func (BitCurve *BitCurve) ScalarBaseMult(k []byte) (*big.Int, *big.Int)

+ func (BitCurve *BitCurve) ScalarMult(Bx, By *big.Int, scalar []byte) (*big.Int, *big.Int)

+ func (BitCurve *BitCurve) Unmarshal(data []byte) (x, y *big.Int)