https://www.cl.cam.ac.uk/~sps32/mcu_lock.html Copy Protection in Modern Microcontrollers Sergei P. Skorobogatov sps32 (at) cam.ac.uk Overview of copy protection reliability in modern microcontrollers. Shown that ordinary microcontrollers do not provide essential protection against unauthorized access and copying. Worked out classification for attack methods by threat. Discussed possible defense technologies This article is based on the research made between 1996 and 2000. The past ten years of my research into hardware security showed that any microcontroller, FPGA, secure memory, smartcard, ASIC or custom chip can be successfully attacked given enough time and resources. The question is whether the semiconductor chip used in a particular application can withstand multi-million-dollar attack or would fail to defeat a 10-dollar attack. It is relatively easy to choose a chip that can withstand very-low-cost attacks. However, would you risk your valuable int...
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