04/26追記: 日付(ISO8601)の形式が間違っていたのを修正。 const Cc = Components.classes; const Ci = Components.interfaces; function WSSEUtils(aUserName, aPassword){ this._init(aUserName, aPassword); } WSSEUtils.prototype = { get userName(){ return this._userName; }, get noce(){ return this._nonce; }, get created(){ return this._created; }, get passwordDigest(){ return this._passwordDigest; }, getWSSEHeader: function(){