signature

type Signature interface {
	Code() uint64
	Size() uint64
	Bytes() []byte
	// Raw signature (without signature algorithm info).
	Raw() []byte
}

type SignatureView interface {
	Signature
	// Verify that the signature was produced by the given message.
	Verify(msg []byte, signer Verifier) bool
}

type Verifier interface {
	// Verify takes a byte encoded message and verifies that it is signed by
	// corresponding signer.
	Verify(msg []byte, sig Signature) bool
}