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microprocessors on smart cards used to have thier cards...

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Question by bar
Submitted on 12/1/2003
Related FAQ: Embedded Processor and Microcontroller primer and FAQ
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microprocessors on smart cards used to have thier cards operating in ROM.  Currently there are moves towards microprocessors where part of the operating system can be downloaded into EEPROM. What are the advantages and disadvantages of keeping the operating system in ROM?  What are the security implications of moving parts of the operating syatem into EEPROM?  


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