code: public static Crypt getRandomCrypt() {
  	  String lCypher=generateRandomKey(32);
  	  String lSalt=generateRandomKey(8);
  	  Crypt result=new Crypt(lCypher,lSalt);
  	  return result;
  	}
docs: get a random Crypt
  @return a new crypt with a 32 byte random key and 8byte salt