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GB/T 15852.1-2020Information technology. Security techniques-Message authentication codes - Part 1: Mechanisms using a block cipher (English PDF)

信息技术安全技术消息鉴别码第1部分：采用分组密码的机制

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Issued by

State Administration for Market Regulation, China National Standardization Administration

Level / Type

National · Recommended

Issue date

December 14, 2020

Implementation date

July 1, 2021

Scope

GB/T 15852.1-2020 is the English-translated version of 信息技术安全技术消息鉴别码第1部分：采用分组密码的机制.

GB/T 15852.1-2020 is the Chinese standard "Information technology. Security techniques-Message authentication codes - Part 1: Mechanisms using a block cipher".

Its scope clause reads: This part of GB/T 15852 specifies user requirements and general algorithm models for message authentication codes (MAC) using block ciphers: Provides 8 message authentication code algorithms using block ciphers: This section applies to security services for security architecture, processes and applications:. Its clauses include terms and definitions.

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Document preview — GB/T 15852.1-2020

National Standard of the People's Republic of China

ICS: 35.040
Classification: L 80
Replacing: GB/T 15852.1-2008

Issued by: State Administration for Market Regulation, China National Standardization Administration

Preface
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviations
5 User requirements
6 MAC algorithm model
7 MAC algorithm
Appendix A (informative appendix) Structure changes of this part compared with ISO /IEC 9797-1:2011
Appendix B (informative appendix) Test vector
Appendix C (Informative Appendix) Security Analysis of MAC Algorithm
References

1 Scope

This part of GB/T 15852 specifies user requirements and general algorithm models for message authentication codes (MAC) using block ciphers:

Provides 8 message authentication code algorithms using block ciphers:

This section applies to security services for security architecture, processes and applications:

2 Normative references

The following documents are indispensable for the application of this document: For dated reference documents, only the dated version applies to this article

Pieces: For undated references, the latest version (including all amendments) applies to this document:

GB/T 17964-2008 Information Security Technology Block Cipher Algorithm Working Mode

3 Terms and definitions

The following terms and definitions apply to this document:

3:1

Group block

A bit string of length n:

3:2

Key

The sequence of symbols that controls the password conversion operation:

Note: Password transformation operations, such as encryption, decryption, password verification function calculation, signature generation, signature verification:

[GB/T 15843:1-2017, definition 3:16]

3:3

Plaintext

Unencrypted information:

3:4

Ciphertext

Data transformed to hide information content:

[GB/T 15843:1-2017, definition 3:7]

3:5

Block cipherkey

The key that controls the block cipher operation:

3:6 n-bit block cipher

A block cipher with a block length of n bits:

GB/T 15843.4 | GB/T 15843.6 | GB/T 15843.3 | GB/T 15843.2 | GB/T 15852.2 | GB/T 15852.3 | […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 71 pages — is available in the English PDF.

Referenced standards

Normative references

GB/T 17964-2008Information security technology—Modes of operation for a block cipher

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