本文档描述了与密钥管理相关的数据元素，该数据元素可以通过 在事务消息中，传递有关用于保护当前事务的加密密钥的信息 事务，或在加密服务消息中，将有关加密密钥的信息传递给 用于确保未来交易的安全。交叉引用:ISO/IEC 8825-1ISO 8583-1ISO 11568-2ISO 11568-4ISO 20038ISO 11568-1ISO/IEC 7812-2ISO/IEC 7812-1ISO/IEC 18033（所有部分）ISO 9564-1ISO/IEC 10116ISO 16609ANSI X9。24-3-2017ISO/IEC 9797-1ISO 8583:1987ISO 8583:1993购买时可用的所有现行修订版均包含在本文件的购买中。

This document describes a data element related to key management which can be transmitted either in transaction messages to convey information about cryptographic keys used to secure the current transaction, or in cryptographic service messages to convey information about cryptographic keys to be used to secure future transactions.Cross References:ISO/IEC 8825-1ISO 8583-1ISO 11568-2ISO 11568-4ISO 20038ISO 11568-1ISO/IEC 7812-2ISO/IEC 7812-1ISO/IEC 18033 (all parts)ISO 9564-1ISO/IEC 10116ISO 16609ANSI X9.24-3-2017ISO/IEC 9797-1ISO 8583:1987ISO 8583:1993All current amendments available at time of purchase are included with the purchase of this document.