asymmetric

type Curve25519 struct {
	PublicKey []byte
	SecretKey []byte
}

type DH interface {
	GenerateKeypair() error
	GenerateSharedSecret([]byte) ([]byte, error)
}

type Ed448 struct {
	SecretKey ed448.PrivateKey
	PublicKey ed448.PublicKey
	Context   string
	Encoder   generic.Encoder
}

type Ed25519 struct {
	SecretKey ed25519.PrivateKey
	PublicKey ed25519.PublicKey
	Encoder   generic.Encoder
}

type Signing interface {
	Generate() error
	GenerateFromSeed([]byte) error
	Sign([]byte) string
	Verify([]byte, []byte) string
}