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TS 35.240
Specification of the Snow 5G based 256-bits algorithm set:
Specification of the 256-NEA4 encryption,
the 256-NIA4 integrity, and
the 256-NCA4 authenticated encryption algorithm for 5G
Document 1: Algorithm Specification

V18.0.0 (PDF)  2024/03  9 p.
Rapporteur:
Mr. Orkopoulos, Stawros
Nokia Germany

Content for  TS 35.240  Word version:  18.0.0

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0  Introductionp. 5

The present document is one of three, which between them form the entire specification set of the encryption and integrity protection algorithms, entitled:
  • 3GPP TS 35.240: "Specification of the Snow 5G based 256-bits algorithm set: Specification of the 256-NEA4 encryption, the 256-NIA4 integrity, and the 256-NCA4 authenticated encryption algorithm for 5G; Document 1: Algorithm Specification".
  • 3GPP TS 35.241: "Specification of the Snow 5G based 256-bits algorithm set: Specification of the 256-NEA4 encryption, the 256-NIA4 integrity, and the 256-NCA4 authenticated encryption algorithm for 5G; Document 2: Implementation Test Data".
  • 3GPP TS 35.242: "Specification of the Snow 5G based 256-bits algorithm set: Specification of the 256-NEA4 encryption, the 256-NIA4 integrity, and the 256-NCA4 authenticated encryption algorithm for 5G; Document 3: Design Conformance Test Data".
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1  Scopep. 6

The present document contains the algorithm specification which could be used as the encryption and integrity protection function 256-NEA4, 256-NIA4 and the combined authenticated encryption 256-NCA4 protection function for 3GPP systems.

2  Referencesp. 6

The following documents contain provisions which, through reference in this text, constitute provisions of the present document.
  • References are either specific (identified by date of publication, edition number, version number, etc.) or non-specific.
  • For a specific reference, subsequent revisions do not apply.
  • For a non-specific reference, the latest version applies. In the case of a reference to a 3GPP document (including a GSM document), a non-specific reference implicitly refers to the latest version of that document in the same Release as the present document.
[1]
TR 21.905: "Vocabulary for 3GPP Specifications".
[2]
The non-redacted specification is available via http://www.etsi.org/WebSite/OurServices/Algorithms/3gppalgorithms.aspx and is subject to licensing conditions described at this site.
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3  Definitions of terms, symbols and abbreviationsp. 6

3.1  Termsp. 6

For the purposes of the present document, the terms given in TR 21.905,in the non-redacted version of the specification [2] and the following apply. A term defined in the present document and its corresponding non-redacted version [2] takes precedence over the definition of the same term, if any, in TR 21.905.
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3.2  Symbolsp. 6

Void.

3.3  Abbreviationsp. 6

For the purposes of the present document, the abbreviations given in TR 21.905, in the non-redacted version of the specification [2] and the following apply. An abbreviation defined in the present document in the non-redacted version of the specification [2] takes precedence over the definition of the same abbreviation, if any, in TR 21.905.
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4  Technical provisionsp. 7

The technical provisions of the Snow 5G based 256-bits algorithm specification are contained in the non-redacted version of the present document [2].

$  Change Historyp. 7


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