定义用于批发和零售金融应用的三重DES算法。作为该定义的一部分，还确定了应修改的相关标准，以适应在可选基础上使用该算法。（注:1998年7月3日出版的《标准行动》中所列文件草案的公开审查已被撤销，现提交一份新文件代替。）

Defines triple-DES algorithm for use in both wholesale and retail financial applications. As part of this definition, related standards that should be modified to accommodate the use of this algorithm on an optional basis are also identified. (NOTE: The Public Review of the draft document listed in the July 3, 1998 issue of Standards Action is withdrawn from consideration and a new document is hereby submitted in its place.)