keystore

type Service interface {
	// Key returns the private key for a specified name that was encrypted with
	// the provided password. If the private key does not exists it creates
	// a new one with a name and the password, and returns with created set
	// to true.
	Key(name, password string) (k *ecdsa.PrivateKey, created bool, err error)
	// Exists returns true if the key with specified name exists.
	Exists(name string) (bool, error)
}