A look at how the SQN resync procedure is performed in the IMS Authentication flows
Tag Archives: Authentication
5G Subscriber Identifiers – SUCI & SUPI
Acronyms and cryptography – a look at Subscriber Identifiers in 5G
Diameter Dispatches: S6a Authentication Information Request / Answer
This is part of a series of posts focusing on common Diameter request pairs, looking at what’s inside and what they do. The Authentication Information Request (AIR) and Authentication Information Answer (AIA) are one of the first steps in authenticating a subscriber, and a very common Diameter transaction. The Process The Authentication Information Request (AIR) … Continue reading Diameter Dispatches: S6a Authentication Information Request / Answer
Querying Auth Credentials from USIM/SIM cards
Using osmo-sim-auth to query USIM/SIM cards authentication mechanism.
HSS & USIM Authentication in LTE/NR (4G & 5G)
Exploring the how and why of Authentication in LTE & NR networks.
Roll your own USIMs for Private LTE Networks
Adventures in getting USIMs to use on private LTE networks.
LTE (4G) – Authenticating the Network
How LTE Subscriber authenticate the network
LTE (4G) – Authenticating Subscribers
LTE/4G’s use of RAND and K to verify subscribers identity.
LTE (4G) – USIM Basics
Contents of a USIM, fields & their meanings and basics of EUTRAN authentication.
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PyHSS Update – MongoDB Backend & SQN Resync
Diameter – Insert Subscriber Data Request / Response
Using a NanoVNA to analyse SDR Base Station Antennas
GSM with Osmocom: SS7 & Sigtran
CGrates in Baby Steps – Part 1
