ecgo

package
v0.0.0-...-bf84be7 Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Jan 24, 2024 License: BSD-3-Clause Imports: 6 Imported by: 1

Documentation

Index

Constants

View Source 
const (
	EQTypeNone             = iota
	EQTypeUninitialized    = iota
	EQTypeShortWeierstrass = iota
	EQTypeEdwards          = iota
	EQTypeMontgomery       = iota
	EQTypeTwistedEdwards   = iota
)

curve types

Variables

This section is empty.

Functions

func CurveNames 

func CurveNames() []string

Types

type Curve 

type Curve struct {
	// contains filtered or unexported fields
}

func EdwardsCurve 

func EdwardsCurve(p, c, d, n, h, gx, gy *big.Int, bits uint) *Curve

func MontgomeryCurve 

func MontgomeryCurve(p, B, A, n, h, gx, gy *big.Int, bits uint) *Curve

func NamedCurve 

func NamedCurve(name string) (z *Curve)

func ShortWeierstrassCurve 

func ShortWeierstrassCurve(p, a, b, n, h, gx, gy *big.Int, bits uint) *Curve

func TwistedEdwardsCurve 

func TwistedEdwardsCurve(p, a, d, n, h, gx, gy *big.Int, bits uint) *Curve

func (*Curve) Cmp 

func (z *Curve) Cmp(a *Curve) int

func (*Curve) GetAttr 

func (z *Curve) GetAttr(attr string) (r *big.Int)

func (*Curve) PointCheck 

func (z *Curve) PointCheck(gx, gy *big.Int) bool

func (*Curve) Type 

func (z *Curve) Type() (r int)

type ECDSASignature 

type ECDSASignature struct {
	// contains filtered or unexported fields
}

func (*ECDSASignature) AsBytes 

func (sig *ECDSASignature) AsBytes() []byte

func (*ECDSASignature) Verify 

func (sig *ECDSASignature) Verify(pK *Point, message []byte) bool

type ECDSASignatureScheme 

type ECDSASignatureScheme struct {
	// contains filtered or unexported fields
}

func NewECDSASignatureScheme 

func NewECDSASignatureScheme(c *Curve, h hash.Hash) (ss *ECDSASignatureScheme)

func (*ECDSASignatureScheme) Sign 

func (ss *ECDSASignatureScheme) Sign(sK *big.Int, message []byte) *ECDSASignature

func (*ECDSASignatureScheme) SignatureFromBytes 

func (ss *ECDSASignatureScheme) SignatureFromBytes(gobytes []byte) *ECDSASignature

type ECElgamalCiphertext 

type ECElgamalCiphertext struct {
	// contains filtered or unexported fields
}

func ECElgamalEncrypt 

func ECElgamalEncrypt(pK *Point, ptxt *Point) (ctxt *ECElgamalCiphertext)

func NewECElgamalCiphertext 

func NewECElgamalCiphertext(c, d *Point) (ctxt *ECElgamalCiphertext)

func (*ECElgamalCiphertext) C 

func (ctxt *ECElgamalCiphertext) C() (c *Point)

func (*ECElgamalCiphertext) D 

func (ctxt *ECElgamalCiphertext) D() (d *Point)

func (*ECElgamalCiphertext) Decrypt 

func (ctxt *ECElgamalCiphertext) Decrypt(sK *big.Int) (ptxt *Point)

type FieldElement 

type FieldElement struct {
	// contains filtered or unexported fields
}

func NewFieldElement 

func NewFieldElement(value, field *big.Int) (z *FieldElement)

func NewFieldElementUI 

func NewFieldElementUI(value uint64, field *big.Int) (z *FieldElement)

func NewFieldElementURandom 

func NewFieldElementURandom(field *big.Int) (z *FieldElement)

func (*FieldElement) Add 

func (z *FieldElement) Add(a, b *FieldElement) *FieldElement

func (*FieldElement) AsInt 

func (z *FieldElement) AsInt() (r *big.Int)

func (*FieldElement) Bit 

func (z *FieldElement) Bit(i int) uint

func (*FieldElement) Cmp 

func (z *FieldElement) Cmp(a *FieldElement) int

func (*FieldElement) Exp 

func (z *FieldElement) Exp(a *FieldElement, e uint64) *FieldElement

func (*FieldElement) Inv 

func (z *FieldElement) Inv(a *FieldElement) (fe *FieldElement, err error)

func (*FieldElement) Mul 

func (z *FieldElement) Mul(a, b *FieldElement) *FieldElement

func (*FieldElement) Neg 

func (z *FieldElement) Neg(a *FieldElement) *FieldElement

func (*FieldElement) Order 

func (z *FieldElement) Order() (r *big.Int)

func (*FieldElement) Sqrt 

func (z *FieldElement) Sqrt(a *FieldElement) (fe *FieldElement, err error)

func (*FieldElement) Sub 

func (z *FieldElement) Sub(a, b *FieldElement) *FieldElement

type Point 

type Point struct {
	// contains filtered or unexported fields
}

func NewPointFromBytes 

func NewPointFromBytes(gby []byte, c *Curve) (z *Point)

func NewPointFromString 

func NewPointFromString(gst string, c *Curve) (z *Point)

func NewPointGenerator 

func NewPointGenerator(c *Curve) (z *Point)

func NewPointNeutral 

func NewPointNeutral(c *Curve) (z *Point)

func NewPointURandom 

func NewPointURandom(c *Curve) (z *Point)

func NewPointXY 

func NewPointXY(x, y *big.Int, c *Curve) (z *Point)

func (*Point) Add 

func (z *Point) Add(a, b *Point) *Point

func (*Point) Affine 

func (z *Point) Affine() (x, y *big.Int)

func (*Point) BytesCompressed 

func (z *Point) BytesCompressed() []byte

func (*Point) BytesUncompressed 

func (z *Point) BytesUncompressed() []byte

func (*Point) Cmp 

func (z *Point) Cmp(a *Point) int

func (*Point) IsNeutral 

func (z *Point) IsNeutral() bool

func (*Point) Mul 

func (z *Point) Mul(a *Point, b *big.Int) *Point

func (*Point) Neg 

func (z *Point) Neg(a *Point) *Point

func (*Point) Set 

func (z *Point) Set(a *Point) *Point

func (*Point) SetupBaseMul 

func (z *Point) SetupBaseMul()

func (*Point) StringCompressed 

func (z *Point) StringCompressed() string

func (*Point) StringUncompressed 

func (z *Point) StringUncompressed() string

func (*Point) Sub 

func (z *Point) Sub(a, b *Point) *Point

Source Files

View all Source files

Directories

Path Synopsis
cmd
ecdh_dec
ecdh_enc
ecdh_gen
ecdh_pub
ecdsa_sign
ecdsa_verify
ecelgamal_dec
ecelgamal_enc

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