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3GPP 55-series — Security Algorithms


The technical specifications (TS) are displayed in blue, while the reports (TR) are shown in green.  TS that have been discontinued in earlier releases are indicated with a light blue color.  TR in the '9' range that have been stopped are highlighted in light green.  TS or TR with a yellow background indicate those updated at the latest  Q4-2023  Plenary Meetings.  The new ones are displayed with a single red dotted overline.
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TS 55.205
REL  6 → 17
Specification of the GSM-MILENAGE Algorithms:
an Example Algorithm set for GSM Authentication
and Key Generation Functions A3 and A8

Specification of the
A5/3 Encryption Algorithms for GSM and ECSD,
and the GEA3 Encryption Algorithm for GPRS


TS 55.226
REL  9 → 17
Specification of the
A5/4 Encryption Algorithms for GSM and ECSD,
and the GEA4 Encryption Algorithm for GPRS

TS 55.236
REL  6 → 17
Specification of
A8_V MILENAGE Algorithm:
an Example Algorithm for the Key Generation function A8_V

Specification of the
GIA4 Encryption Algorithms for GPRS


Specification of the
GPRS Confidentiality and Integrity Algorithms GEA5 and GIA5


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