GB/T 20520-2006
AbolishedInformation security technology - Public key infrastructure - Time stamp specification
信息安全技术 公钥基础设施 时间戳规范
Application Summary AI generated
This standard specifies the technical requirements for time stamp services within a public key infrastructure (PKI), defining the format, generation, and verification of time stamp tokens to ensure data non-repudiation. It is applied in Chinese electronic authentication systems, digital signature platforms, and secure timestamping mechanisms for financial transactions, legal documents, and electronic contracts. The standard is used by PKI service providers, certificate authorities, and organizations requiring trusted time evidence for audit trails and compliance with information security regulations.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.