package ecdh

import "github.com/ProtonMail/go-crypto/openpgp/ecdh"

Package ecdh implements ECDH encryption, suitable for OpenPGP, as specified in RFC 6637, section 8.

Index

Constants 

const (
	KDFVersion1          = 1
	KDFVersionForwarding = 255
)

Functions

func Decrypt 

func Decrypt(priv *PrivateKey, vsG, c, curveOID, fingerprint []byte) (msg []byte, err error)

func DeriveProxyParam 

func DeriveProxyParam(recipientKey, forwardeeKey *PrivateKey) (proxyParam []byte, err error)

func Encrypt 

func Encrypt(random io.Reader, pub *PublicKey, msg, curveOID, fingerprint []byte) (vsG, c []byte, err error)

func ProxyTransform 

func ProxyTransform(ephemeral, proxyParam []byte) ([]byte, error)

func Validate 

func Validate(priv *PrivateKey) error

Types

type KDF 

type KDF struct {
	Version                int // Defaults to v1; 255 for forwarding
	Hash                   algorithm.Hash
	Cipher                 algorithm.Cipher
	ReplacementFingerprint []byte // (forwarding only) fingerprint to use instead of recipient's (20 octets)
}

func (*KDF) Serialize 

func (kdf *KDF) Serialize(w io.Writer) (err error)

type PrivateKey 

type PrivateKey struct {
	PublicKey
	D []byte
}

func GenerateKey 

func GenerateKey(rand io.Reader, c ecc.ECDHCurve, kdf KDF) (priv *PrivateKey, err error)

func NewPrivateKey 

func NewPrivateKey(key PublicKey) *PrivateKey

func (*PrivateKey) MarshalByteSecret 

func (sk *PrivateKey) MarshalByteSecret() []byte

func (*PrivateKey) UnmarshalByteSecret 

func (sk *PrivateKey) UnmarshalByteSecret(d []byte) error

type PublicKey 

type PublicKey struct {
	Point []byte
	KDF
	// contains filtered or unexported fields
}

func NewPublicKey 

func NewPublicKey(curve ecc.ECDHCurve, kdf KDF) *PublicKey

func (*PublicKey) GetCurve 

func (pk *PublicKey) GetCurve() ecc.ECDHCurve

func (*PublicKey) MarshalPoint 

func (pk *PublicKey) MarshalPoint() []byte

func (*PublicKey) UnmarshalPoint 

func (pk *PublicKey) UnmarshalPoint(p []byte) error

Source Files

ecdh.go

Version
v1.1.4-proton
Published
Jan 7, 2025
Platform
js/wasm
Imports
8 packages
Last checked
53 seconds ago –

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