Standard No.:	GB/T 17903.2-2008
English Name:	Information technology - Security techniques - Non-repudiation - Part 2: Mechanisms using symmetric techniques
Chinese Name:	信息技术 安全技术 抗抵赖 第2部分: 采用对称技术的机制
Chinese Classification:	L80    Data encryption
Professional Classification:	GB    National Standard
Issued by:	AQSIQ; SAC
Issued on:	2008-06-26
Implemented on:	2008-11-1
Status:	superseded
Superseded by:	GB/T 17903.2-2021 Information technology—Security techniques—Non-repudiation—Part 2:Mechanisms using symmetric techniques
Superseded on:	2022-5-1
Superseding:	GB/T 17903.2-1999 Information technology--Security techniques--Non-repudiation--Part 2：Mechanisms using symmetric techniques
Language:	English
File Format:	PDF
Word Count:	8500 words
Price(USD):	230.00
Delivery:	via email in 1~3 business day

抗抵赖服务旨在生成、收集、维护、利用和验证有关已声称事件或动作的证据，以解决有关该事件或动作已发生或未发生的争议。本部分描述了用于抗抵赖服务的通用结构，以及一些特定的、与通信有关的机制，用于提供原发抗抵赖（ＮＲＯ）、交付抗抵赖（ＮＲＤ）、提交抗抵赖（ＮＲＳ）和传输抗抵赖（ＮＲＴ）等。