GB/T 33133.2-2021Information security technology—ZUC stream cipher algorithm—Part 2: Confidentiality algorithm (English PDF)
信息安全技术 祖冲之序列密码算法 第2部分：保密性算法
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
October 11, 2021
Implementation date
May 1, 2022
Scope
GB/T 33133.2-2021 is the English-translated version of 信息安全技术 祖冲之序列密码算法 第2部分：保密性算法.
GB/T 33133.2-2021 is the part of the Chinese standard on the ZUC stream cipher that describes the confidentiality algorithm. It specifies the algorithm built on the ZUC keystream generator for encrypting and decrypting data, with its inputs, its operation and test vectors.
It applies to the development, testing and use of the products that implement it. Cryptographic device makers, software developers and evaluation bodies use it. Issued on 11 October 2021, it has applied since 1 May 2022.
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Document preview — GB/T 33133.2-2021
National Standard of the People's Republic of China
- ICS
- 35.030
- Classification
- L 80
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Foreword
- Introduction
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Symbols and abbreviations
- 4.1 Symbol
- 4.2 Abbreviations
- 5 Algorithm description
- 5.1 Algorithm input and output
- 5.2 Algorithm workflow
- Appendix A (informative appendix) 3GPPLTE parameter initialization
- Appendix B (informative appendix) 3GPPLTE algorithm calculation example
- Reference
Foreword
GB/T 33133 "Information Security Technology Zu Chong's Sequence Cipher Algorithm" is divided into 3 parts.
---Part 1: Algorithm description;
---Part 2: Confidentiality Algorithm;
---Part 3: Integrity algorithm. This part is Part 2 of GB/T 33133.
This part was drafted in accordance with the rules given in GB/T 1.1-2009.
Introduction
The issuing organization of this document draws attention to the fact that when declaring compliance with this document, 5.2 and the "A serial password implementation method and installation "(Patent No.. ZL200910086409.9) and "An Integrity Authentication Method" (Patent No.. ZL200910243440.9) related patents use.
The issuing agency of this document has no position on the authenticity, validity and scope of the patent.
The holder of the patent has assured the issuing organization of this document that he is willing to agree with any applicant on reasonable and non-discriminatory terms and conditions.
Next, negotiate on the licensing of patents. The statement of the patent holder has been filed with the issuing agency of this document.
Please note that in addition to the above-mentioned patents, certain contents of this document may still involve patents. The issuing agency of this document is not responsible for identifying these Li's responsibility.
1 Scope
This part of GB/T 33133 describes the confidentiality algorithm based on the Zu Chongzhi sequence cipher algorithm.
This part is applicable to the development, testing and use of related products based on the confidentiality algorithm of Zu Chongzhi's sequence cipher algorithm.
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 document. For undated reference documents, the latest version (including all amendments) is applicable to this document.
GB/T 33133.1-2016 Information Security Technology Zu Chongzhi Sequence Cipher Algorithm Part 1: Algorithm Description
3 Terms and definitions
The terms and definitions defined in GB/T 33133.1-2016 apply to this document.
4 Symbols and abbreviations
4.1 Symbols
The following symbols apply to this document.
XOR: bit by bit exclusive OR operation. ||: byte string connector.
4.2 Abbreviations
The following abbreviations apply to this document. CK. ConfidentialKey (ConfidentialKey) IV. Initialization Vector (InitializationVector) IBS. Input BitStream (InputBitStream) LTE. Long Term Evolution (LongTerm Evolution) OBS. Output BitStream (OutputBitStream) 3GPP. The 3rd Generation Partnership Project (the3rdGenerationPartnershipProject)
5 Algorithm description
5.1 Algorithm input and output
The input parameters of this algorithm are shown in Table 1, and the output parameters are shown in Table 2.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 16 pages — is available in the English PDF.
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Related Standards
GB/T 33133.1-2016 — Information security technology—ZUC stream cipher algorithm—Part 1: Algorithm description
GB/T 33133.3-2021 — Information security technology—ZUC stream cipher algorithm—Part 3: Integrity algorithm
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