ecdh

package module
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 Go to latest Published: Jan 18, 2022 License: BSD-3-Clause Imports: 5 Imported by: 0

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ECDH

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This is a go implementation of elliptical curve diffie-hellman key exchange method. It supports the NIST curves (and any curves using the elliptic.Curve go interface) as well as djb's curve25519.

The library handles generating of keys, generating a shared secret, and the (un)marshalling of the elliptical curve keys into slices of bytes.

This library was built off of the

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Functions

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Types

type ECDH 

type ECDH interface {
	GenerateKey(io.Reader) (crypto.PrivateKey, crypto.PublicKey, error)
	Marshal(crypto.PublicKey) []byte
	Unmarshal([]byte) (crypto.PublicKey, bool)
	GenerateSharedSecret(crypto.PrivateKey, crypto.PublicKey) ([]byte, error)
}

The main interface for ECDH key exchange.

func NewCurve25519ECDH 

func NewCurve25519ECDH() ECDH

NewCurve25519ECDH creates a new ECDH instance that uses djb's curve25519 elliptical curve.

func NewEllipticECDH 

func NewEllipticECDH(curve elliptic.Curve) ECDH

NewEllipticECDH creates a new instance of ECDH with the given elliptic.Curve curve to use as the elliptical curve for elliptical curve diffie-hellman.

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