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Mobile Networks Python SIM Cards

SIM / Smart Card Deep Dive – Part 4 – Interacting with Cards IRL

Sending commands/APDUs to a real life Smart Card.

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GSM LTE Mobile Networks Security SIM Cards

SIM / Smart Card Deep Dive – Part 3 – APDUs and Hello Card

A look at APDUs and Interacting with Cards

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GSM LTE Mobile Networks Security SIM Cards

SIM / Smart Card Deep Dive – Part 2 – Meet & Greet

The basics of Smart Cards & their File System

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GSM LTE Mobile Networks Security SIM Cards

SIM / Smart Card Deep Dive – Part 1 – Introduction to Smart Cards

Getting up close and personal with Smart Card / SIM Cards

Categories
Mobile Networks Security SIM Cards

SIM Unlock Shims

What do Unlock SIMs sold online actually do and how do they do it?

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

Querying Auth Credentials from USIM/SIM cards

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

Categories
EPC EUTRAN LTE Mobile Networks RF SDM Security SIM Cards

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

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

Categories
EPC EUTRAN IMS / VoLTE LTE Mobile Networks SDM Security SIM Cards

Roll your own USIMs for Private LTE Networks

Adventures in getting USIMs to use on private LTE networks.

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.