secp256k1

May 14, 2018

Changes in this version

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

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

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

Apr 14, 2017

Changes in this version

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

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

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

May 24, 2016

Changes in this version

+ var ErrInvalidMsgLen = errors.New("invalid message length for signature recovery")

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

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

+ var HalfN *big.Int

+ var N *big.Int

+ 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) GenerateKey(rand io.Reader) (priv []byte, x, y *big.Int, err error)

+ 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)

May 15, 2015

Changes in this version

+ func GenerateKeyPair() ([]byte, []byte)

+ func GeneratePubKey(seckey []byte) ([]byte, error)

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

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

+ func Stop()

+ func VerifyPubkeyValidity(pubkey []byte) error

+ func VerifySeckeyValidity(seckey []byte) error

+ func VerifySignature(msg []byte, sig []byte, pubkey1 []byte) error

+ func VerifySignatureValidity(sig []byte) bool