private string SignatureData(string original) { var signature = fsPKI.FSP11Sign("PlaySAFE", 0, original, 0); var SignErrCode = fsPKI.GetErrorCode(); fsPKI.FSXP11Logout(); fsPKI.FSXP11SessionClose(); fsPKI.FSXP11Final(); if (SignErrCode != 0) { return("簽章失敗(" + SignErrCode + ")"); } return(signature); }