ecc

package
v0.0.0-...-156c265 Latest Latest
Warning

This package is not in the latest version of its module.

 Go to latest Published: Jun 23, 2021 License: MIT Imports: 7 Imported by: 0

Documentation

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func Prime 

func Prime() *big.Int

Types

type FieldElement 

type FieldElement struct {
	Num   *big.Int
	Prime *big.Int
	Err   error
}

func NewFieldElement 

func NewFieldElement(num *big.Int, prime *big.Int) (*FieldElement, error)

func NewFieldElementFromInt64 

func NewFieldElementFromInt64(num int64, prime int64) (*FieldElement, error)

func (*FieldElement) Add 

func (elm *FieldElement) Add(a, b FieldInterface) FieldInterface

func (*FieldElement) Calc 

func (elm *FieldElement) Calc() (FieldInterface, error)

func (*FieldElement) Copy 

func (elm *FieldElement) Copy() FieldInterface

func (*FieldElement) Div 

func (elm *FieldElement) Div(a, b FieldInterface) FieldInterface

func (*FieldElement) Eq 

func (elm *FieldElement) Eq(other FieldInterface) bool

func (*FieldElement) Mul 

func (elm *FieldElement) Mul(a, b FieldInterface) FieldInterface

func (*FieldElement) Ne 

func (elm *FieldElement) Ne(other FieldInterface) bool

func (*FieldElement) Pow 

func (elm *FieldElement) Pow(n FieldInterface, exp *big.Int) FieldInterface

func (*FieldElement) RMul 

func (elm *FieldElement) RMul(n FieldInterface, coef *big.Int) FieldInterface

func (*FieldElement) String 

func (elm *FieldElement) String() string

func (*FieldElement) Sub 

func (elm *FieldElement) Sub(a, b FieldInterface) FieldInterface

type FieldInterface 

type FieldInterface interface {
	Eq(other FieldInterface) bool
	Ne(other FieldInterface) bool

	Calc() (FieldInterface, error)
	Copy() FieldInterface

	Add(a, b FieldInterface) FieldInterface
	Sub(a, b FieldInterface) FieldInterface
	Mul(a, b FieldInterface) FieldInterface
	Div(a, b FieldInterface) FieldInterface
	Pow(n FieldInterface, exp *big.Int) FieldInterface
	RMul(n FieldInterface, coef *big.Int) FieldInterface
}

type Point 

type Point struct {
	X   FieldInterface
	Y   FieldInterface
	A   FieldInterface
	B   FieldInterface
	Err error
}

func NewPoint 

func NewPoint(x FieldInterface, y FieldInterface, a FieldInterface, b FieldInterface) (*Point, error)

func (*Point) Add 

func (p *Point) Add(p1, p2 *Point) *Point

func (*Point) Calc 

func (p *Point) Calc() (*Point, error)

func (*Point) Eq 

func (p *Point) Eq(other *Point) bool

func (*Point) Ne 

func (p *Point) Ne(other *Point) bool

func (*Point) RMul 

func (p *Point) RMul(r *Point, n *big.Int) *Point

func (*Point) String 

func (p *Point) String() string

type PrivateKey 

type PrivateKey struct {
	Secret *big.Int
	Point  *S256Point
}

func NewPrivateKey 

func NewPrivateKey(secret *big.Int) *PrivateKey

func (*PrivateKey) Hex 

func (key *PrivateKey) Hex() string

func (*PrivateKey) Sign 

func (key *PrivateKey) Sign(z *big.Int) *Signature

func (*PrivateKey) Wif 

func (key *PrivateKey) Wif(compress, testnet bool) string

type S256Field 

type S256Field struct {
	*FieldElement
}

func NewS256Field 

func NewS256Field(num *big.Int) (*S256Field, error)

func (*S256Field) Sqrt 

func (f *S256Field) Sqrt() *S256Field

func (*S256Field) String 

func (f *S256Field) String() string

type S256Point 

type S256Point struct {
	*Point
}
var (
	G *S256Point

	N *big.Int
)

func NewS256Point 

func NewS256Point(x, y *S256Field) (*S256Point, error)

func NewS256PointFromBigInt 

func NewS256PointFromBigInt(x, y *big.Int) (*S256Point, error)

func ParseS256Point 

func ParseS256Point(b []byte) (*S256Point, error)

func (*S256Point) Add 

func (p *S256Point) Add(p1, p2 *S256Point) *S256Point

func (*S256Point) Address 

func (p *S256Point) Address(compress, testnet bool) string

func (*S256Point) Hash160 

func (p *S256Point) Hash160(compress bool) []byte

func (*S256Point) RMul 

func (p *S256Point) RMul(r *S256Point, coef *big.Int) *S256Point

func (*S256Point) Sec 

func (p *S256Point) Sec(compress bool) []byte

func (*S256Point) Verify 

func (p *S256Point) Verify(z *big.Int, sig *Signature) bool

type Signature 

type Signature struct {
	R *big.Int
	S *big.Int
}

func NewSignature 

func NewSignature(r, s *big.Int) *Signature

func (*Signature) Der 

func (s *Signature) Der() []byte

func (*Signature) String 

func (s *Signature) String() string

Source Files

View all Source files

Jump to

Keyboard shortcuts

? : This menu
/ : Search site
f or F : Jump to
y or Y : Canonical URL
go.dev uses cookies from Google to deliver and enhance the quality of its services and to analyze traffic. Learn more.