Thanks Jeff for your answer. I run the Benchmark test(cryptest.exe b 3 2.0 > benchmark.html). I had just 1 variant result :
<https://lh3.googleusercontent.com/-fQgYESVoEhI/WM7wxVS4rOI/AAAAAAAAAS8/dMtlL0IIkl4wmzh_6tBgQWNASC2QrYY1wCLcB/s1600/Cryptopp%2BBenchmarks.png> So I add those lines, in bench1.cpp file, to have all the statistics, but I have an exception message: “ CryptoPP::Exception caught: ObjectFactoryRegistry: could not find factory for algorithm HMAC(SHA265)” : <https://lh3.googleusercontent.com/-ggbKkv2OZHY/WM7w-PTYDaI/AAAAAAAAATA/N9aepKSZc-Q0YU4bZ8zpD2HArGgLLtNGACLcB/s1600/bench1.cpp.png> -- -- You received this message because you are subscribed to the "Crypto++ Users" Google Group. To unsubscribe, send an email to cryptopp-users-unsubscr...@googlegroups.com. More information about Crypto++ and this group is available at http://www.cryptopp.com. --- You received this message because you are subscribed to the Google Groups "Crypto++ Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to cryptopp-users+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.