getSigData = function (src:IDataInput, forcePosition:Boolean=true):Object
                        {
                            var swfHeader:String;
                            var swfFlashVersion:uint;
                            var swfLength:uint;
                            var nbBits:int;
                            var swfFrameRate:uint;
                            var swfFrameCount:uint;
                            var tagInfo:int;
                            var tagType:int;
                            var tagLen:int;
                            var sigResult:Object;
                            var metadata:String;
                            try
                            {
                                if (forcePosition)
                                {
                                    src["position"] = 0;
                                };
                                src["endian"] = Endian["LITTLE_ENDIAN"];
                                swfHeader = src["readUTFBytes"](3);
                                swfFlashVersion = src["readUnsignedByte"]();
                                swfLength = src["readUnsignedInt"]();
                                nbBits = (src["readUnsignedByte"]() >> 3);
                                src["position"] = (src["position"] + Math["ceil"](((nbBits * 4) / 8)));
                                swfFrameRate = ((src["readUnsignedByte"]() / 0xFF) + src["readByte"]());
                                swfFrameCount = src["readUnsignedShort"]();
                                while (src["bytesAvailable"] != 0)
                                {
                                    tagInfo = src["readUnsignedShort"]();
                                    tagType = (tagInfo >> 6);
                                    tagLen = (tagInfo & ((1 << 6) - 1));
                                    if (tagLen == 63)
                                    {
                                        tagLen = src["readInt"]();
                                    };
                                    if (tagType == 77)
                                    {
                                        sigResult = new Object();
                                        metadata = src["readUTFBytes"](tagLen);
                                        if (metadata["substr"](0, 4) == "SMD%")
                                        {
                                            sigResult["signature"] = _SELOGWMWOGX["decodeToByteArray"](metadata["substr"](4));
                                            sigResult["signedData"] = new (getDefinitionByName("flash.utils.ByteArray"))();
                                            var _local_4:* = src;
                                            (_local_4["readBytes"](sigResult["signedData"]));
                                            return (sigResult);
                                        };
                                    }
                                    else
                                    {
                                        src["position"] = (src["position"] + tagLen);
                                    };
                                    if (((tagType == 0) || (tagType == 82)))
                                    {
                                        return (null);
                                    };
                                };
                                return (null);
                            }
                            catch(err:MemoryError)
                            {
                                panic();
                                return (null);
                            };