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

v1.3.3

Aug 7, 2024

v1.3.2

Aug 7, 2024

v1.3.1

Aug 17, 2022

v1.3.0

Jul 8, 2022

v1.2.9

Jun 28, 2022

v1.2.8

Jun 21, 2022

v1.2.7

Jun 21, 2022

v1.2.6

Jun 21, 2022

Changes in this version

+ const ErrPubKeyInvalidFormat

+ const ErrPubKeyInvalidLen

+ const ErrPubKeyMismatchedOddness

+ const ErrPubKeyNotOnCurve

+ const ErrPubKeyXTooBig

+ const ErrPubKeyYTooBig

+ const PrivKeyBytesLen

+ const PubKeyBytesLenCompressed

+ const PubKeyBytesLenUncompressed

+ const PubKeyFormatCompressedEven

+ const PubKeyFormatCompressedOdd

+ const PubKeyFormatHybridEven

+ const PubKeyFormatHybridOdd

+ const PubKeyFormatUncompressed

+ func AddNonConst(p1, p2, result *JacobianPoint)

+ func DecompressY(x *FieldVal, odd bool, resultY *FieldVal) bool

+ func DoubleNonConst(p, result *JacobianPoint)

+ func GenerateSharedSecret(privkey *PrivateKey, pubkey *PublicKey) []byte

+ func ScalarBaseMultNonConst(k *ModNScalar, result *JacobianPoint)

+ func ScalarMultNonConst(k *ModNScalar, point, result *JacobianPoint)

+ type CurveParams struct

+ BitSize int

+ ByteSize int

+ Gx *big.Int

+ Gy *big.Int

+ H int

+ N *big.Int

+ P *big.Int

+ func Params() *CurveParams

+ type Error struct

+ Description string

+ Err error

+ func (e Error) Error() string

+ func (e Error) Unwrap() error

+ type ErrorKind string

+ func (e ErrorKind) Error() string

+ type FieldVal struct

+ func (f *FieldVal) Add(val *FieldVal) *FieldVal

+ func (f *FieldVal) Add2(val *FieldVal, val2 *FieldVal) *FieldVal

+ func (f *FieldVal) AddInt(ui uint16) *FieldVal

+ func (f *FieldVal) Bytes() *[32]byte

+ func (f *FieldVal) Equals(val *FieldVal) bool

+ func (f *FieldVal) Inverse() *FieldVal

+ func (f *FieldVal) IsGtOrEqPrimeMinusOrder() bool

+ func (f *FieldVal) IsOdd() bool

+ func (f *FieldVal) IsOddBit() uint32

+ func (f *FieldVal) IsOne() bool

+ func (f *FieldVal) IsOneBit() uint32

+ func (f *FieldVal) IsZero() bool

+ func (f *FieldVal) IsZeroBit() uint32

+ func (f *FieldVal) Mul(val *FieldVal) *FieldVal

+ func (f *FieldVal) Mul2(val *FieldVal, val2 *FieldVal) *FieldVal

+ func (f *FieldVal) MulInt(val uint8) *FieldVal

+ func (f *FieldVal) Negate(magnitude uint32) *FieldVal

+ func (f *FieldVal) NegateVal(val *FieldVal, magnitude uint32) *FieldVal

+ func (f *FieldVal) Normalize() *FieldVal

+ func (f *FieldVal) PutBytes(b *[32]byte)

+ func (f *FieldVal) PutBytesUnchecked(b []byte)

+ func (f *FieldVal) Set(val *FieldVal) *FieldVal

+ func (f *FieldVal) SetByteSlice(b []byte) bool

+ func (f *FieldVal) SetBytes(b *[32]byte) uint32

+ func (f *FieldVal) SetInt(ui uint16) *FieldVal

+ func (f *FieldVal) Square() *FieldVal

+ func (f *FieldVal) SquareRootVal(val *FieldVal) bool

+ func (f *FieldVal) SquareVal(val *FieldVal) *FieldVal

+ func (f *FieldVal) Zero()

+ func (f FieldVal) String() string

+ type JacobianPoint struct

+ X FieldVal

+ Y FieldVal

+ Z FieldVal

+ func MakeJacobianPoint(x, y, z *FieldVal) JacobianPoint

+ func (p *JacobianPoint) Set(other *JacobianPoint)

+ func (p *JacobianPoint) ToAffine()

+ type KoblitzCurve struct

+ func S256() *KoblitzCurve

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

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

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

+ func (curve *KoblitzCurve) Params() *elliptic.CurveParams

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

+ func (curve *KoblitzCurve) ScalarMult(Bx, By *big.Int, k []byte) (*big.Int, *big.Int)

+ type ModNScalar struct

+ func NonceRFC6979(privKey []byte, hash []byte, extra []byte, version []byte, ...) *ModNScalar

+ func (s *ModNScalar) Add(val *ModNScalar) *ModNScalar

+ func (s *ModNScalar) Add2(val1, val2 *ModNScalar) *ModNScalar

+ func (s *ModNScalar) Bytes() [32]byte

+ func (s *ModNScalar) Equals(val *ModNScalar) bool

+ func (s *ModNScalar) InverseNonConst() *ModNScalar

+ func (s *ModNScalar) InverseValNonConst(val *ModNScalar) *ModNScalar

+ func (s *ModNScalar) IsOdd() bool

+ func (s *ModNScalar) IsOverHalfOrder() bool

+ func (s *ModNScalar) IsZero() bool

+ func (s *ModNScalar) Mul(val *ModNScalar) *ModNScalar

+ func (s *ModNScalar) Mul2(val, val2 *ModNScalar) *ModNScalar

+ func (s *ModNScalar) Negate() *ModNScalar

+ func (s *ModNScalar) NegateVal(val *ModNScalar) *ModNScalar

+ func (s *ModNScalar) PutBytes(b *[32]byte)

+ func (s *ModNScalar) PutBytesUnchecked(b []byte)

+ func (s *ModNScalar) Set(val *ModNScalar) *ModNScalar

+ func (s *ModNScalar) SetByteSlice(b []byte) bool

+ func (s *ModNScalar) SetBytes(b *[32]byte) uint32

+ func (s *ModNScalar) SetInt(ui uint32) *ModNScalar

+ func (s *ModNScalar) Square() *ModNScalar

+ func (s *ModNScalar) SquareVal(val *ModNScalar) *ModNScalar

+ func (s *ModNScalar) Zero()

+ func (s ModNScalar) String() string

+ type PrivateKey struct

+ Key ModNScalar

+ func GeneratePrivateKey() (*PrivateKey, error)

+ func NewPrivateKey(key *ModNScalar) *PrivateKey

+ func PrivKeyFromBytes(privKeyBytes []byte) *PrivateKey

+ func (p *PrivateKey) PubKey() *PublicKey

+ func (p *PrivateKey) ToECDSA() *ecdsa.PrivateKey

+ func (p *PrivateKey) Zero()

+ func (p PrivateKey) Serialize() []byte

+ type PublicKey struct

+ func NewPublicKey(x, y *FieldVal) *PublicKey

+ func ParsePubKey(serialized []byte) (key *PublicKey, err error)

+ func (p *PublicKey) AsJacobian(result *JacobianPoint)

+ func (p *PublicKey) IsEqual(otherPubKey *PublicKey) bool

+ func (p *PublicKey) IsOnCurve() bool

+ func (p *PublicKey) ToECDSA() *ecdsa.PublicKey

+ func (p *PublicKey) X() *big.Int

+ func (p *PublicKey) Y() *big.Int

+ func (p PublicKey) SerializeCompressed() []byte

+ func (p PublicKey) SerializeUncompressed() []byte