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Standards ETSI - European Telecommunication Standard Institute - Page 5740
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.
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ETSI TS 155226-V13.0.0
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Digital cellular telecommunications system (Phase 2+); 3G Security; Specification of the A5/4 Encryption Algorithms for GSM and ECSD, and the GEA4 Encryption Algorithm for GPRS (3GPP TS 55.226 version 13.0.0 Release 13)
Standard published on 29.1.2016
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ETSI TS 155226-V14.0.0
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Digital cellular telecommunications system (Phase 2+) (GSM); 3G Security; Specification of the A5/4 Encryption Algorithms for GSM and ECSD, and the GEA4 Encryption Algorithm for GPRS (3GPP TS 55.226 version 14.0.0 Release 14)
Standard published on 6.4.2017
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ETSI TS 155226-V15.0.0
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Digital cellular telecommunications system (Phase 2+) (GSM); 3G Security; Specification of the A5/4 Encryption Algorithms for GSM and ECSD, and the GEA4 Encryption Algorithm for GPRS (3GPP TS 55.226 version 15.0.0 Release 15)
Standard published on 12.11.2018
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ETSI TS 155226-V16.0.0
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Digital cellular telecommunications system (Phase 2+) (GSM); 3G Security; Specification of the A5/4 Encryption Algorithms for GSM and ECSD, and the GEA4 Encryption Algorithm for GPRS (3GPP TS 55.226 version 16.0.0 Release 16)
Standard published on 17.8.2020
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ETSI TS 155226-V17.0.0
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Digital cellular telecommunications system (Phase 2+) (GSM); 3G Security; Specification of the A5/4 Encryption Algorithms for GSM and ECSD, and the GEA4 Encryption Algorithm for GPRS (3GPP TS 55.226 version 17.0.0 Release 17)
Standard published on 7.4.2022
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ETSI TS 155226-V18.0.0
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Digital cellular telecommunications system (Phase 2+) (GSM); 3G Security; Specification of the A5/4 Encryption Algorithms for GSM and ECSD, and the GEA4 Encryption Algorithm for GPRS (3GPP TS 55.226 version 18.0.0 Release 18)
Standard published on 6.5.2024
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ETSI TS 155226-V19.0.0
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Digital cellular telecommunications system (Phase 2+) (GSM); 3G Security; Specification of the A5/4 Encryption Algorithms for GSM and ECSD, and the GEA4 Encryption Algorithm for GPRS (3GPP TS 55.226 version 19.0.0 Release 19)
Standard published on 21.10.2025
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ETSI TS 155226-V9.0.0
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Digital cellular telecommunications system (Phase 2+); 3G Security; Specification of the A5/4 Encryption Algorithms for GSM and ECSD, and the GEA4 Encryption Algorithm for GPRS (3GPP TS 55.226 version 9.0.0 Release 9)
Standard published on 4.2.2011
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ETSI TS 155236-V10.0.0
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Digital cellular telecommunications system (Phase 2+); Specification of A8_V MILENAGE Algorithm: An example algorithm for the key generation function A8_V (3GPP TS 55.236 version 10.0.0 Release 10)
Standard published on 16.5.2011
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ETSI TS 155236-V11.0.0
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Digital cellular telecommunications system (Phase 2+); Specification of A8_V MILENAGE Algorithm: An example algorithm for the key generation function A8_V (3GPP TS 55.236 version 11.0.0 Release 11)
Standard published on 13.11.2012
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