secp256k1

Sep 23, 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)