Release ledger
Canonical Atlas record
TS 55.226
3G Security; Specification of the A5/4 Encryption Algorithms for GSM and ECSD, and the GEA4 Encryption Algorithm for GPRS
Responsible WGS3
StatusUnder change control
Initial releaseRel-6
Selected releaseRel-14
Latest indexed version19.0.0
Series55
TypeTS
Release evolution
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Rel-14 snapshot
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Version history
Indexed versions
Showing 14 of 14 indexed versions.
19.0.0Rel-19SA#1092025-10-15
18.0.0Rel-18SA#1032024-04-03
17.0.0Rel-17SA#95-e2022-03-30
16.0.0Rel-16SA#88-e2020-07-10
15.0.0Rel-15SA#812018-10-23
14.0.0Rel-14SA#752017-03-28
13.0.0Rel-13SA#702016-01-12
12.0.0Rel-12SA#652014-09-29
11.0.0Rel-11SA#572012-09-27
10.0.0Rel-10SA#512011-04-06
9.0.0Rel-9SA#452011-02-03
0.1.0Rel-6 · pre-approval-2006-01-30
1.0.0Rel-6 · pre-approvalSA#232004-03-22
2.0.0Rel-9 · pre-approvalSA#45—
Atlas classifications
Meaning and provenance
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Work Items
Standards work connected to TS 55.226
SEC16
Rel-6historical linkRel-6 Security enhancements
Historical association · verification pendingA5/4-GEA4
Rel-9historical linkSA3 part of 128 bit encryption for GSM and GPRS
Historical association · verification pendingKnowledge graph
Related standards
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