crypto

type PrivateKey interface {
	// Bytes returns the byte representation of the private key
	Bytes() []byte
	// PublicKey from the PrivateKey
	PublicKey() PublicKey
	// Kind returns the type of the key
	Kind() string
	// Sign signs the message with the key and returns the signature.
	Sign(message []byte) ([]byte, error)
}

type PublicKey interface {
	// Bytes returns the raw bytes representation of the public key.
	//
	// The returned bytes are used for encrypting, verifying a signature, and locating an address.
	Bytes() []byte
	// Kind returns the type of the key.
	Kind() string
	// Verify verifies whether sig is a valid signature of message.
	Verify(message, sig []byte) bool
}