eddsa

package

v0.3.8 Latest Latest Go to latest Published: Oct 21, 2020 License: Apache-2.0 Imports: 8 Imported by: 0

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Repository

github.com/philsippl/gnark

Links

Open Source Insights

Documentation ¶

Index ¶

func GetCurveParams() twistededwards.CurveParams
func New(seed [32]byte, hFunc hash.Hash) (PublicKey, PrivateKey)
func Verify(sig Signature, message fr.Element, pub PublicKey) (bool, error)
type PrivateKey
type PublicKey
type Signature
- func Sign(message fr.Element, pub PublicKey, priv PrivateKey) (Signature, error)

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

func GetCurveParams ¶

func GetCurveParams() twistededwards.CurveParams

GetCurveParams get the parameters of the Edwards curve used

func New ¶

func New(seed [32]byte, hFunc hash.Hash) (PublicKey, PrivateKey)

New creates an instance of eddsa

func Verify ¶

func Verify(sig Signature, message fr.Element, pub PublicKey) (bool, error)

Verify verifies an eddsa signature cf https://en.wikipedia.org/wiki/EdDSA

Types ¶

type PrivateKey ¶

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

PrivateKey private key of an eddsa instance

type PublicKey ¶

type PublicKey struct {
	A     twistededwards.Point
	HFunc hash.Hash
}

PublicKey eddsa signature object cf https://en.wikipedia.org/wiki/EdDSA for notation

type Signature ¶

type Signature struct {
	R twistededwards.Point
	S fr.Element // not in Montgomery form
}

Signature represents an eddsa signature cf https://en.wikipedia.org/wiki/EdDSA for notation

func Sign ¶

func Sign(message fr.Element, pub PublicKey, priv PrivateKey) (Signature, error)

Sign sign a message (in Montgomery form) cf https://en.wikipedia.org/wiki/EdDSA for the notations Eddsa is supposed to be built upon Edwards (or twisted Edwards) curves having 256 bits group size and cofactor=4 or 8

Source Files ¶

View all Source files

eddsa.go

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