TS 55.216
Specification of the
A5/3 Encryption Algorithms for GSM and ECSD,
and the GEA3 Encryption Algorithm for GPRS
Document 1: A5/3 and GEA3 Specifications
V18.0.0 (PDF)
2024/03 8 p.
V17.0.0
2022/03 8 p.
V16.0.0
2020/06 8 p.
V15.0.0
2018/06 8 p.
V14.0.0
2017/03 8 p.
V13.0.0
2016/01 8 p.
V12.0.0
2014/09 8 p.
V11.0.0
2012/09 8 p.
V10.0.0
2011/04 8 p.
V9.0.0
2009/12 8 p.
V8.0.0
2008/12 8 p.
V7.1.0
2007/12 8 p.
V6.3.0
2007/12 8 p.
V5.0.0
2007/12 8 p.
V4.0.0
2007/12 8 p.
V3.0.0
2007/12 8 p.
- Rapporteur:
- Mr. Sahlin, Bengt
Ericsson LM
Content for TS 55.216 Word version: 18.0.0
0 Scope p. 5
The present document specifies the A5/3 and GEA3 specification.
0A References p. 5
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.
0B Definitions, symbols and abbreviations p. 5
0B.1 Definitions p. 5
For the purposes of the present document, the terms and definitions given in TR 21.905 and in the 3GPP Task Force Specification [2] apply. A term defined in the latter document takes precedence over the definition of the same term, if any, in TR 21.905.
0B.2 Symbols p. 5
For the purposes of the present document, the symbols defined in the 3GPP Task Force Specification [2] apply.
0B.3 Abbreviations p. 5
0C Technical provisions p. 5
The technical provision of the current document are contained in the 3GPP Task Force Specification [2].
$ Change History p. 6
