decaf448

package module

v0.0.0-...-8bf74c1 Latest Latest Go to latest Published: May 22, 2022 License: MIT Imports: 4 Imported by: 0

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Valid go.mod file

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Repository

github.com/bytemare/decaf448

Links

Open Source Insights

README ¶

decaf448

Implements Decaf448 as specified in https://datatracker.ietf.org/doc/draft-irtf-cfrg-ristretto255-decaf448.

Documentation ¶

Overview ¶

Package decaf448 implements the Decaf448 group of prime order

l = 2^446 - 13818066809895115352007386748515426880336692474882178609894547503885

as specified in https://datatracker.ietf.org/doc/draft-irtf-cfrg-ristretto255-decaf448.

Constants ¶

This section is empty.

Variables ¶

View Source

var (

	// D = -39081
	D, _ = newElement().SetString("726838724295606890549323807888004534353641360687318060281490199180612328166730772686396383698676545930088884461843637361053498018326358", 10)
)

Functions ¶

This section is empty.

Types ¶

type DecafElement ¶

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

func NewGroupElement ¶

func NewGroupElement() *DecafElement

func (*DecafElement) Decode ¶

func (e *DecafElement) Decode(input []byte) *DecafElement

func (*DecafElement) Encode ¶

func (e *DecafElement) Encode() []byte

func (*DecafElement) OneWayMap ¶

func (e *DecafElement) OneWayMap(input []byte) *DecafElement

type Element ¶

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

func (*Element) AbsoluteCT ¶

func (e *Element) AbsoluteCT(u *Element) *Element

func (*Element) Add ¶

func (e *Element) Add(u, v *Element) *Element

func (*Element) Bytes ¶

func (e *Element) Bytes() []byte

func (*Element) Compare ¶

func (e *Element) Compare(u *Element) int

func (*Element) Exp ¶

func (e *Element) Exp(u, v *Element) *Element

func (*Element) Invert ¶

func (e *Element) Invert(u, exp *Element) *Element

func (*Element) IsEqualCT ¶

func (e *Element) IsEqualCT(u *Element) int

func (*Element) IsNegative ¶

func (e *Element) IsNegative() int

func (*Element) IsSquareCT ¶

func (e *Element) IsSquareCT() bool

func (*Element) IsZero ¶

func (e *Element) IsZero() int

func (*Element) Multiply ¶

func (e *Element) Multiply(u, v *Element) *Element

func (*Element) Negate ¶

func (e *Element) Negate(u *Element) *Element

func (*Element) One ¶

func (e *Element) One() *Element

func (*Element) Random ¶

func (e *Element) Random(order *Element) *Element

func (*Element) SelectCT ¶

func (e *Element) SelectCT(u, v *Element, cond int) *Element

func (*Element) Set ¶

func (e *Element) Set(u *Element) *Element

func (*Element) SetBytesBig ¶

func (e *Element) SetBytesBig(u []byte) (*Element, error)

func (*Element) SetBytesLittle ¶

func (e *Element) SetBytesLittle(u []byte) (*Element, error)

func (*Element) SetInt ¶

func (e *Element) SetInt(u *big.Int) *Element

func (*Element) SetString ¶

func (e *Element) SetString(u string, base int) (*Element, error)

func (*Element) SqrtRatio ¶

func (e *Element) SqrtRatio(u, v *Element) (wasSquare int, fe *Element)

func (*Element) Square ¶

func (e *Element) Square(u *Element) *Element

func (*Element) Subtract ¶

func (e *Element) Subtract(u, v *Element) *Element

func (*Element) SwapCT ¶

func (e *Element) SwapCT(u *Element, condition bool)

func (*Element) Zero ¶

func (e *Element) Zero() *Element

type Point ¶

type Point struct {
	/*
		Extended Twisted Edwards Coordinates System

		"Twisted Edwards Curves Revisited" - 2008
		https://link.springer.com/content/pdf/10.1007/978-3-540-89255-7_20.pdf
	*/
	X, Y, T, Z Element
}

func (*Point) Add ¶

func (p *Point) Add(q *Point) *Point

func (*Point) Add2 ¶

func (p *Point) Add2(q *Point) *Point

func (*Point) Copy ¶

func (p *Point) Copy() *Point

func (*Point) Double ¶

func (p *Point) Double() *Point

func (*Point) IsEqual ¶

func (p *Point) IsEqual(q *Point) int

func (*Point) IsInfinity ¶

func (p *Point) IsInfinity() int

func (*Point) Negate ¶

func (p *Point) Negate(q *Point) *Point

func (*Point) ScalarMult ¶

func (p *Point) ScalarMult(s *Element, q *Point) *Point

func (*Point) Set ¶

func (p *Point) Set(q *Point) *Point

func (*Point) Subtract ¶

func (p *Point) Subtract(q *Point) *Point

Source Files ¶

View all Source files

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