alice.update(message, 0, message.length);
Object signature = alice.sign();
map.put(BaseSignature.VERIFIER_KEY, publicK);
bob.setupVerify(map);
bob.update(message, 0, message.length);
harness.check(bob.verify(signature), "instance methods");
IMessageDigest sha = new Sha160();
sha.update(message, 0, message.length);