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ETSI - European Telecommunication Standard Institute(ETSI) produces globally-applicable standards for information and telecommunication technologies (ICT) including land, mobile, radio, converged, broadcast and internet technologies.
Digital cellular telecommunications system (Phase 2+) (GSM); 3G Security; Specification of the A5/3 encryption algorithms for GSM and ECSD, and the GEA3 encryption algorithm for GPRS; Document 2: Implementors´ test data (3GPP TS 55.217 version 17.0.0 Release 17)
Standard published on 7.4.2022
Selected format:Digital cellular telecommunications system (Phase 2+) (GSM); 3G Security; Specification of the A5/3 encryption algorithms for GSM and ECSD, and the GEA3 encryption algorithm for GPRS; Document 2: Implementors´ test data (3GPP TS 55.217 version 18.0.0 Release 18)
Standard published on 6.5.2024
Selected format:Digital cellular telecommunications system (Phase 2+) (GSM); 3G Security; Specification of the A5/3 encryption algorithms for GSM and ECSD, and the GEA3 encryption algorithm for GPRS; Document 2: Implementors´ test data (3GPP TS 55.217 version 19.0.0 Release 19)
Standard published on 21.10.2025
Selected format:Digital cellular telecommunications system (Phase 2+); Specification of the A5/3 encryption algorithms for GSM and ECSD, and the GEA3 encryption algorithm for GPRS; Document 2: Implementors´ test data (3GPP TS 55.217 version 3.0.0 Release 1999)
Standard published on 23.1.2008
Selected format:Digital cellular telecommunications system (Phase 2+); Specification of the A5/3 encryption algorithms for GSM and ECSD, and the GEA3 encryption algorithm for GPRS; Document 2: Implementors´ test data (3GPP TS 55.217 version 4.0.0 Release 4)
Standard published on 23.1.2008
Selected format:Digital cellular telecommunications system (Phase 2+); Specification of the A5/3 encryption algorithms for GSM and ECSD, and the GEA3 encryption algorithm for GPRS; Document 2: Implementors´ test data (3GPP TS 55.217 version 5.0.0 Release 5)
Standard published on 23.1.2008
Selected format:Digital cellular telecommunications system (Phase 2+); Specification of the A5/3 encryption algorithms for GSM and ECSD, and the GEA3 encryption algorithm for GPRS; Document 2: Implementors´ test data (3GPP TS 55.217 version 6.2.0 Release 6)
Standard published on 23.1.2008
Selected format:Digital cellular telecommunications system (Phase 2+); Specification of the A5/3 encryption algorithms for GSM and ECSD, and the GEA3 encryption algorithm for GPRS; Document 2: Implementors´ test data (3GPP TS 55.217 version 7.1.0 Release 7)
Standard published on 23.1.2008
Selected format:Digital cellular telecommunications system (Phase 2+); Specification of the A5/3 encryption algorithms for GSM and ECSD, and the GEA3 encryption algorithm for GPRS; Document 2: Implementors´ test data (3GPP TS 55.217 version 8.0.0 Release 8)
Standard published on 17.2.2009
Selected format:Digital cellular telecommunications system (Phase 2+); Specification of the A5/3 encryption algorithms for GSM and ECSD, and the GEA3 encryption algorithm for GPRS; Document 2: Implementors´ test data (3GPP TS 55.217 version 9.0.0 Release 9)
Standard published on 9.2.2010
Selected format:Latest update: 2026-01-18 (Number of items: 2 257 146)
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