Re: ISO 7816 vs GSM SIM dissector

[Pascal Quantin <pascal () wireshark org>]

Hi Stig,

Le mer. 18 août 2021 à 13:51, Stig Bjørlykke <stig () bjorlykke org> a écrit :

> Hi,
>
> Does anyone know the difference between the ISO 7816 dissector and the GSM
> SIM dissector?
>
> For me it looks like they are handling the same PDUs, but both are
> incomplete in different ways.

You are correct. Both were done by different developers for different
purposes (Martin added the generic ISO 7816 dissector after Harald added
the GSM SIM one). SIM or USIM application is just one of the many
applications that can run on a smartcard. Note that the 3GPP specs override
the ISO specs, so the decoding of the elementary files could differ as far
as I can remember (it has been a few years since I last played with those
things).

Best regards,
Pascal.

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