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[liberationtech] Opensource SDK for SIM hacking

Jacob Appelbaum jacob at
Mon Jan 21 03:46:04 PST 2013

Jon Gosier:
> Hey all,
> Thought I would share our Open SIM Kit ( project with
> the list.  The project aims to be an open source SDK of sorts for hacking
> SIM cards. In practice, this allows users to modify the contents of SIM
> cards. The goals of the project:


How does this compare with the suite of tools that Harald
Welte/Osmocom/Syscom and others have been working on for the last ~5+ years?

These are the projects that come to mind:

 Osmocom SIMtrace is a software and hardware system for passively
 tracing SIM-ME communication between the SIM card and
 the mobile phone.:

 Osmocom Card Operating System (COS):

 A command line tool for (U)SIM authentication

 A python tool to program magic SIMs:

 Henryk Ploetz' smardcard shell:

Also, I believe that has been using these tools (and a vendor
in China) to produce full SIM cards with fully programmable k{i}.

Can you explain where your new project fits in the current ecosystem?

All the best,

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