DZ/T 0101.12-1994
Active
GB/T 20520-2025
Active
National standards
GB/T 20520-2025 Cybersecurity technology—Public key infrastructure—Specification for time stamp
GB/T 20520-2025 Cybersecurity technology—Public key infrastructure—Specification for time stamp
Basic Information
Standard Code:
GB/T 20520-2025
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Data encryption
ICS Name:
-
Publish Date:
2025-08-01
Implement Date:
2026-02-01
Pages:
24 pages
Scope
This document describes the components of a timestamp system, the content of timestamps, and the application issuance process. It also specifies the security requirements for timestamps and outlines the corresponding testing and evaluation methods.
This document is applicable to the design, development, and testing of timestamp systems and their applications.
Development Information
Replace the following standards
Referenced Standards
GB/T 16262.1-2006 Information technology—Abstract syntax notation one (ASN.1)—Part 1:Specification of basic notation
GB/T 16262.1-2025 Information technology—Abstract Syntax Notation One(ASN.1)—Part 1:Specification of basic notation
GB/T 20518-2018 Information security technology—Public key infrastructure—Digital certificate format
GB/T 22239-2019 Information security technology—Baseline for classified protection of cybersecurity
GB/T 25069-2010 Information security technology—Glossary
GB/T 25069-2022 Information security techniques—Terminology
GB/T 39786-2021 Information security technology—Baseline for information system cryptography application
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