model

type Algorithm int

type Opts struct {
	BitSize   int
	SecretKey *[]byte
}

type Signer interface {
	Alg() Algorithm
	Public() crypto.PublicKey
	Sign(rand io.Reader, digest []byte, opts crypto.SignerOpts) (signature []byte, err error)
}

type SignerOpts struct {
	Hash crypto.Hash
}

type Validator interface {
	ValidateSignature(digest, signature []byte) (bool, error)
	Public() crypto.PublicKey
}