中国银联股份企业标准Q/CUPQ/CUP 006.4—2024代替中国银联银行卡联网联合技术标准 V2.1第 4 局部 数据平安传输控制标准Technical Specifications on Bankcard Interoperability V2.1Part 4 Specification on Data Secure Transmission Control2024-11-02 修订2024-11-02 实施中国银联股份 发布目 次前 言...............................................................................II1 范围..................................................................................12 密钥管理与控制........................................................................1 平安管理根本要求.......................................................................1 各层次密钥简介.........................................................................22.3 密钥的产生..........................................................................2 密钥的分发.............................................................................3 密钥的存储.............................................................................3 密钥的销毁.............................................................................33 数据的加密处理........................................................................4 PIN 的加密和解密.......................................................................4 联机报文 MAC 的计算方法.................................................................6 顺序文件 MAC 的计算方法................................................................10 互联网支付密码的加密和解密............................................................104 新旧密钥切换.........................................................................11 入网机构发起的申请重置密钥............................................................11 CUPS 发起的重置密钥...................................................................15 新旧密钥的切换处理〔同步〕............................................................185 PBOC 借/贷记标准 IC 卡平安说明.........................................