The first thing people learn about SIMs or the Smart Cards that the SIM / USIM app runs on, is that “There’s a little computer in the card”. So how little is this computer, and what’s the computing power in my draw full of SIMs? So for starters the SIM manufacturers love their NDAs, so … Continue reading How much computing power is in a SIM (And is it enough to get humans to the Moon?)
Using Wireshark to sniff communication between your computer and Smart Card / SIM Card
Sending commands/APDUs to a real life Smart Card.
A look at APDUs and Interacting with Cards
The basics of Smart Cards & their File System
Getting up close and personal with Smart Card / SIM Cards
Acronyms and cryptography – a look at Subscriber Identifiers in 5G
What do Unlock SIMs sold online actually do and how do they do it?
