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I would like to know how are achieved PUFs (Physicaly Unclonable Functions) and if there is a way reverse these hardware electronic components ?
Recent papers such as "Invasive PUF Analysis" present techniques to extract information from PUFs but, I would like to better understand the basic principles of PUFs and what are the problems when trying to clone it.
If you are looking to better understand the basic principles of PUFs, I would warmly recommend the lecture notes of Boris Skoric. Chapter 5 is all about PUFs: history, examples, applications and entropy. Some of the things presented there are also formalized, which requires a decent level of information theory knowledge.
