Categories
EPC LTE

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) […]

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EPC EUTRAN GSM LTE Mobile Networks RFCs & Standards Security SIM Cards

Querying Auth Credentials from USIM/SIM cards

Using osmo-sim-auth to query USIM/SIM cards authentication mechanism.

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EPC EUTRAN LTE Mobile Networks RF Security SIM Cards

HSS & USIM Authentication in LTE/NR (4G & 5G)

Exploring the how and why of Authentication in LTE & NR networks.

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EPC EUTRAN LTE Mobile Networks Security SIM Cards

Roll your own USIMs for Private LTE Networks

Adventures in getting USIMs to use on private LTE networks.

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EPC LTE Mobile Networks RF RFCs & Standards Security SIM Cards

LTE (4G) – Authenticating the Network

How LTE Subscriber authenticate the network

Categories
EPC LTE Mobile Networks RF RFCs & Standards SIM Cards

LTE (4G) – Authenticating Subscribers

LTE/4G’s use of RAND and K to verify subscribers identity.

Categories
LTE Mobile Networks RF RFCs & Standards Security SIM Cards

LTE (4G) – USIM Basics

Contents of a USIM, fields & their meanings and basics of EUTRAN authentication.