Hi all, As in exercise in understanding Cybersecurity in IoT better, I'm trying to implement the flush-reload attack from the paper "FLUSH+RELOAD: A High Resolution, Low Noise, L3 Cache Side-Channel Attack". The crux of the attack is to extract the private key of RSA encryption used in Gnupg. One of the steps to initiate the attack is to find certain memory addresses to feed to a spy function. For that I'm trying to open a C executable in Gnu debugger(gdb). The program is part of the Gnupg 1.4.13 version. My aim is to get the memory address of a particular function by setting breakpoint at that line. While compiling the c program using **gcc -g mpi-pow.c**, (And yes I tried without the -g option) I'm getting this error:
*mpi-pow.c:28:10: fatal error: config.h: No such file or directory 28 | #include <config.h> | ^~~~~~~~~~ compilation terminated* These were the exact steps I did:--> 1. - Extracted the Gnupg source code using tar xjvf gnupg-1.4.13.tar.bz2 2. - cd gnupg-1.4.13/ 3. - ./configure 4. - sudo make 5. - sudo make install The source code of Gnupg 1.4.13 is at Link_to_code <http://www.ring.gr.jp/pub/net/gnupg/gnupg/> The original paper is here Link_to_paper <https://eprint.iacr.org/2013/448.pdf> A quick google search told me that "In computing, configuration files (commonly known simply as config files) are files used to configure the parameters and initial settings for some computer programs". *And as far as I understood, the config file is made when the "./configure" command is run and in this case, it simply means there is no config.h file in the current directory*. There were no errors during the compilation of Gnupg. I'm using the Intel(R) Core(TM) i5-8250U CPU @ 1.60GHz processor. I tried it on WSL and on Ubuntu 20.04 installed on dual boot. 1. What might be the reason ? 2. How can I rectify this error ? Any help would be highly appreciated.
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