code: function(KEY, EXP) {
    this.n = null;
    this.e = 0;
    this.d = null;
    this.p = null;
    this.q = null;
    this.dmp1 = null;
    this.dmq1 = null;
    this.coeff = null;
  
    this.setPublic(KEY, EXP);
  }
docs: by Jeneser ------------------------------- "empty" RSA key constructor