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GM/T 0021-2023Technical specifications for one-time-password cryptographic application (English PDF)

动态口令密码应用技术规范

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Issued by

State Administration of Cryptography

Level / Type

National · Recommended

Issue date

December 4, 2023

Implementation date

December 4, 2023

Scope

GM/T 0021-2023 is the English-translated version of 动态口令密码应用技术规范.

GM/T 0021-2023 is the Chinese standard "Technical specifications for one-time-password cryptographic application". Issued on 2023-12-04.

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Document preview — GM/T 0021-2023

1 Scope
2 Normative references
3 Terms and definitions
4 Symbols
5 One time password systems
5.1 Overview
5.2 General framework
5.3 Sketch of basic authentication principle
6 Generation mode of one time password
6.1 Overview
6.2 Instructions for algorithm use
6.3 Truncation algorithm
7 Characteristics of one time password token
7.1 Requirements for password token hardware
7.2 Password token security characteristics
8 Authentication system
8.1 System description
8.2 Services of authentication system
8.3 Management functions of authentication system
8.4 Security requirements
9 Key management system
9.1 Overview
9.2 System architecture
9.3 Function requirements
9.4 System security design
9.5 Instructions for interfaces of hardware encryption device

1 Foreword

GM/T 0021-2023 was issued by State Administration of Cryptography on 4 December 2023.

2 About this standard

Issued by: State Administration of Cryptography

English translation: about 15 pages (approximate)

3 Classification and status

Chinese Standard Classification (CCS): L 80

Prefix GM/T: recommended standard.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

Referenced standards

Cited by

GA/T 1788.2-2021Security technical requirements for video and image information system for public security - Part 2: Front-end device

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