ecc

package
v1.1.0-beta.0-proton Latest Latest
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Published: Oct 1, 2024 License: BSD-3-Clause Imports: 15 Imported by: 0

Documentation

Overview

Package ecc implements a generic interface for ECDH, ECDSA, and EdDSA.

Package ecc implements a generic interface for ECDH, ECDSA, and EdDSA.

Package ecc implements a generic interface for ECDH, ECDSA, and EdDSA.

Package ecc implements a generic interface for ECDH, ECDSA, and EdDSA.

Package ecc implements a generic interface for ECDH, ECDSA, and EdDSA.

Package ecc implements a generic interface for ECDH, ECDSA, and EdDSA.

Package ecc implements a generic interface for ECDH, ECDSA, and EdDSA.

Index

Constants

View Source
const Curve25519GenName = "Curve25519"

Variables

View Source
var Curves = []CurveInfo{
	{

		GenName: "P256",
		Oid:     encoding.NewOID([]byte{0x2A, 0x86, 0x48, 0xCE, 0x3D, 0x03, 0x01, 0x07}),
		Curve:   NewGenericCurve(elliptic.P256()),
	},
	{

		GenName: "P384",
		Oid:     encoding.NewOID([]byte{0x2B, 0x81, 0x04, 0x00, 0x22}),
		Curve:   NewGenericCurve(elliptic.P384()),
	},
	{

		GenName: "P521",
		Oid:     encoding.NewOID([]byte{0x2B, 0x81, 0x04, 0x00, 0x23}),
		Curve:   NewGenericCurve(elliptic.P521()),
	},
	{

		GenName: "SecP256k1",
		Oid:     encoding.NewOID([]byte{0x2B, 0x81, 0x04, 0x00, 0x0A}),
		Curve:   NewGenericCurve(bitcurves.S256()),
	},
	{

		GenName: Curve25519GenName,
		Oid:     encoding.NewOID([]byte{0x2B, 0x06, 0x01, 0x04, 0x01, 0x97, 0x55, 0x01, 0x05, 0x01}),
		Curve:   NewCurve25519(),
	},
	{

		GenName: "Curve448",
		Oid:     encoding.NewOID([]byte{0x2B, 0x65, 0x6F}),
		Curve:   NewX448(),
	},
	{

		GenName: Curve25519GenName,
		Oid:     encoding.NewOID([]byte{0x2B, 0x06, 0x01, 0x04, 0x01, 0xDA, 0x47, 0x0F, 0x01}),
		Curve:   NewEd25519(),
	},
	{

		GenName: "Curve448",
		Oid:     encoding.NewOID([]byte{0x2B, 0x65, 0x71}),
		Curve:   NewEd448(),
	},
	{

		GenName: "BrainpoolP256",
		Oid:     encoding.NewOID([]byte{0x2B, 0x24, 0x03, 0x03, 0x02, 0x08, 0x01, 0x01, 0x07}),
		Curve:   NewGenericCurve(brainpool.P256r1()),
	},
	{

		GenName: "BrainpoolP384",
		Oid:     encoding.NewOID([]byte{0x2B, 0x24, 0x03, 0x03, 0x02, 0x08, 0x01, 0x01, 0x0B}),
		Curve:   NewGenericCurve(brainpool.P384r1()),
	},
	{

		GenName: "BrainpoolP512",
		Oid:     encoding.NewOID([]byte{0x2B, 0x24, 0x03, 0x03, 0x02, 0x08, 0x01, 0x01, 0x0D}),
		Curve:   NewGenericCurve(brainpool.P512r1()),
	},
}

Functions

func NewCurve25519

func NewCurve25519() *curve25519

func NewEd25519

func NewEd25519() *ed25519

func NewEd448

func NewEd448() *ed448

func NewGenericCurve

func NewGenericCurve(c elliptic.Curve) *genericCurve

func NewX448

func NewX448() *x448

Types

type Curve

type Curve interface {
	GetCurveName() string
}

type CurveInfo

type CurveInfo struct {
	GenName string
	Oid     *encoding.OID
	Curve   Curve
}

func FindByCurve

func FindByCurve(curve Curve) *CurveInfo

func FindByOid

func FindByOid(oid encoding.Field) *CurveInfo

type ECDHCurve

type ECDHCurve interface {
	Curve
	MarshalBytePoint([]byte) (encoded []byte)
	UnmarshalBytePoint(encoded []byte) []byte
	MarshalByteSecret(d []byte) []byte
	UnmarshalByteSecret(d []byte) []byte
	GenerateECDH(rand io.Reader) (point []byte, secret []byte, err error)
	Encaps(rand io.Reader, point []byte) (ephemeral, sharedSecret []byte, err error)
	Decaps(ephemeral, secret []byte) (sharedSecret []byte, err error)
	ValidateECDH(public []byte, secret []byte) error
}

func FindECDHByGenName

func FindECDHByGenName(curveGenName string) ECDHCurve

type ECDSACurve

type ECDSACurve interface {
	Curve
	MarshalIntegerPoint(x, y *big.Int) []byte
	UnmarshalIntegerPoint([]byte) (x, y *big.Int)
	MarshalIntegerSecret(d *big.Int) []byte
	UnmarshalIntegerSecret(d []byte) *big.Int
	GenerateECDSA(rand io.Reader) (x, y, secret *big.Int, err error)
	Sign(rand io.Reader, x, y, d *big.Int, hash []byte) (r, s *big.Int, err error)
	Verify(x, y *big.Int, hash []byte, r, s *big.Int) bool
	ValidateECDSA(x, y *big.Int, secret []byte) error
}

func FindECDSAByGenName

func FindECDSAByGenName(curveGenName string) ECDSACurve

type EdDSACurve

type EdDSACurve interface {
	Curve
	MarshalBytePoint(x []byte) []byte
	UnmarshalBytePoint([]byte) (x []byte)
	MarshalByteSecret(d []byte) []byte
	UnmarshalByteSecret(d []byte) []byte
	MarshalSignature(sig []byte) (r, s []byte)
	UnmarshalSignature(r, s []byte) (sig []byte)
	GenerateEdDSA(rand io.Reader) (pub, priv []byte, err error)
	Sign(publicKey, privateKey, message []byte) (sig []byte, err error)
	Verify(publicKey, message, sig []byte) bool
	ValidateEdDSA(publicKey, privateKey []byte) (err error)
}

func FindEdDSAByGenName

func FindEdDSAByGenName(curveGenName string) EdDSACurve

Directories

Path Synopsis
Package curve25519 implements custom field operations without clamping for forwarding.
Package curve25519 implements custom field operations without clamping for forwarding.
field
Package field implements fast arithmetic modulo 2^255-19.
Package field implements fast arithmetic modulo 2^255-19.

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