Why Go
- Case Studies
  
  Common problems companies solve with Go
- Use Cases
  
  Stories about how and why companies use Go
- Security Policy
  
  How Go can help keep you secure by default
Learn
Docs
- Effective Go
  
  Tips for writing clear, performant, and idiomatic Go code
- Go User Manual
  
  A complete introduction to building software with Go
- Standard library
  
  Reference documentation for Go's standard library
- Release Notes
  
  Learn what's new in each Go release
Packages
Community
- Recorded Talks
  
  Videos from prior events
- Meetups
  
  Meet other local Go developers
- Conferences
  
  Learn and network with Go developers from around the world
- Go blog
  
  The Go project's official blog.
- Go project
  
  Get help and stay informed from Go
- Get connected

secp256k1

package

Go to main page

Versions in this module

v1

v1.6.5

Jun 1, 2017

v1.6.4

Jun 1, 2017

v1.6.0

Apr 14, 2017

v1.5.8

Feb 1, 2017

Changes in this version

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

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

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

v1.5.1

Nov 16, 2016

v1.4.5

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)

v1.0.2

Aug 20, 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