package java.security;

public abstract class Signature
{

 public static Signature getInstance(String) throws NoSuchAlgorithmException
 {
  return null;
 }
 
 public final void initVerify(PublicKey) throws InvalidKeyException
 {
 }
 
 public final boolean verify(byte[]) throws SignatureException
 {
  return false;
 }
 
 public final void update(byte[], int, int) throws SignatureException
 {
 }
 
}