poly

package

v0.1.0 Latest Latest Go to latest Published: Mar 11, 2024 License: MIT Imports: 4 Imported by: 1

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Repository

github.com/proveniencenft/primesecrets

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Documentation ¶

Index ¶

func Lagrange(shares []Share) (*big.Int, error)
type Element
type Field
type Poly
type Share
- func SplitBytes(sec []byte, n, t int, prime big.Int) ([]Share, error)

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

func Lagrange ¶

func Lagrange(shares []Share) (*big.Int, error)

Types ¶

type Element ¶

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

func (*Element) Add ¶

func (e *Element) Add(e2 *Element) *Element

func (*Element) Clone ¶

func (e *Element) Clone() *Element

func (*Element) Exp ¶

func (e *Element) Exp(i *big.Int) *Element

func (*Element) Inverse ¶

func (e *Element) Inverse() *Element

func (*Element) Mul ¶

func (e *Element) Mul(e2 *Element) *Element

func (*Element) Neg ¶

func (e *Element) Neg() *Element

func (*Element) Value ¶

func (e *Element) Value() *big.Int

type Field ¶

type Field struct {
	N *big.Int
}

func (*Field) NewElement ¶

func (f *Field) NewElement(i *big.Int) *Element

func (*Field) NewElementInt ¶

func (f *Field) NewElementInt(i int) *Element

func (*Field) NewPoly ¶

func (f *Field) NewPoly(deg int, zVal *big.Int) (*Poly, error)

The field elements are assumed NOT to be in Montgomery form

func (*Field) RandomElement ¶

func (f *Field) RandomElement(rd io.Reader) (*Element, error)

type Poly ¶

type Poly struct {
	Coefficients []Element
	Field        *Field
}

func (Poly) EvalAt ¶

func (pol Poly) EvalAt(x *Element) *Element

Evaluate the polynomial at x

func (Poly) EvalAtInt ¶

func (pol Poly) EvalAtInt(x int) *Element