Smartcard protocol sniffing
- Type
- Slides
- Tags
- smart card, sniffer
- Authors
- Bernd R. Fix, Marc-André Beck
- Event
- Chaos Communication Congress 24th (24C3) 2007
- Indexed on
- Mar 27, 2013
- URL
- http://events.ccc.de/congress/2007/Fahrplan/attachments/1038_Smartcard.pdf
- File name
- 1038_Smartcard.pdf
- File size
- 2.9 MB
- MD5
- e7c82e054205b4d1114aa430a67a671a
- SHA1
- afe338c345fac4374eef6146ac2f7ee2cf8a87b4
This talk will introduce you to the theoretical and practical issues involved in cloning/simulating existing smartcards. It is based on the lessons learned from cloning the Postcard (swiss debit card) issued by PostFinance. After a brief introduction into the syntax of smartcard protocols (basically ISO 7816-4), the talk will demonstrate techniques to capture the communication between a smartcard and a terminal with the help of a Javacard-based logger cardlet. The gathered information (the semantics of the protocol) can then be used for cloning the smartcard under investigation.
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