x25519

package

v0.0.20 Latest Latest Go to latest Published: Apr 26, 2024 License: AGPL-3.0 Imports: 6 Imported by: 1

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Repository

github.com/katzenpost/hpqc

Links

Open Source Insights

Documentation ¶

Index ¶

Constants
Variables
func Exp(x, y []byte) []byte
func Scheme(rng io.Reader) *scheme
type PrivateKey
- func NewKeypair(r io.Reader) (*PrivateKey, error)
type PublicKey

Constants ¶

View Source

const (
	// GroupElementLength is the length of a ECDH group element in bytes.
	GroupElementLength = 32

	// PublicKeySize is the size of a serialized PublicKey in bytes.
	PublicKeySize = GroupElementLength

	// PrivateKeySize is the size of a serialized PrivateKey in bytes.
	PrivateKeySize = GroupElementLength
)

Variables ¶

View Source

var (
	// ErrBlindDataSizeInvalid indicates that the blinding data size was invalid.
	ErrBlindDataSizeInvalid error = errors.New("ecdh: blinding data size invalid")
)

Functions ¶

func Exp ¶

func Exp(x, y []byte) []byte

Exp returns the group element, the result of x^y, over the ECDH group.

func Scheme ¶

func Scheme(rng io.Reader) *scheme

Scheme instantiates a new X25519 scheme given a CSPRNG.

Types ¶

type PrivateKey ¶

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

func NewKeypair ¶

func NewKeypair(r io.Reader) (*PrivateKey, error)

NewKeypair generates a new PrivateKey sampled from the provided entropy source.

func (*PrivateKey) Bytes ¶

func (p *PrivateKey) Bytes() []byte

func (*PrivateKey) Exp ¶

func (k *PrivateKey) Exp(publicKey *PublicKey) []byte

Exp calculates the shared secret with the provided public key.

func (*PrivateKey) FromBytes ¶

func (p *PrivateKey) FromBytes(data []byte) error

func (*PrivateKey) MarshalBinary ¶

func (p *PrivateKey) MarshalBinary() ([]byte, error)

func (*PrivateKey) MarshalText ¶

func (p *PrivateKey) MarshalText() ([]byte, error)

func (*PrivateKey) Public ¶

func (p *PrivateKey) Public() nike.PublicKey

func (*PrivateKey) Reset ¶

func (p *PrivateKey) Reset()

func (*PrivateKey) UnmarshalBinary ¶

func (p *PrivateKey) UnmarshalBinary(data []byte) error

func (*PrivateKey) UnmarshalText ¶

func (p *PrivateKey) UnmarshalText(data []byte) error

type PublicKey ¶

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

func (p *PublicKey) Blind(blindingFactor nike.PrivateKey) error

func (*PublicKey) Bytes ¶

func (p *PublicKey) Bytes() []byte

func (*PublicKey) FromBytes ¶

func (p *PublicKey) FromBytes(data []byte) error

func (*PublicKey) MarshalBinary ¶

func (p *PublicKey) MarshalBinary() ([]byte, error)

func (*PublicKey) MarshalText ¶

func (p *PublicKey) MarshalText() ([]byte, error)

func (*PublicKey) Reset ¶

func (p *PublicKey) Reset()

func (*PublicKey) UnmarshalBinary ¶

func (p *PublicKey) UnmarshalBinary(data []byte) error

func (*PublicKey) UnmarshalText ¶

func (p *PublicKey) UnmarshalText(data []byte) error

Source Files ¶

View all Source files

ecdh.go

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