International audienceWe present in this paper a new approach to gain access toassets of a smart card. It is based on the concept of reference forgeryand array extension. We characterize the meta data of the system usingdifferent level of expertize from human know-hows to formal methods.We are able to generate arbitrary but well formed references which allowus to execute self modifying Java program inside the card. This hostileprogram is able to dump the complete Non Volatile Memory (NVM)memory segment. Then we develop a graphical representation of theobjects belonging to the system for gaining abstraction of the binarydump
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