why does Fedora's openssl not list "aesni" compared to RHEL? the values below are showing it is in fact supported by both, on the other hand "SSLCryptoDevice aesni" for Apache does not work on Fedora and i am unsure if it is used automatically by default in that case in doubt this may waste factor 8 in performance on modern hardware http://httpd.apache.org/docs/2.4/mod/mod_ssl.html#sslcryptodevice ____________________________________________ cat /etc/redhat-release; openssl engine; cat /proc/cpuinfo | grep "model name" CentOS release 6.4 (Final) (aesni) Intel AES-NI engine (dynamic) Dynamic engine loading support model name : Intel(R) Xeon(R) CPU E5640 @ 2.67GHz openssl speed aes-256-cbc type 16 bytes 64 bytes 256 bytes 1024 bytes 8192 bytes aes-256 cbc 58003.13k 62866.47k 63308.37k 135122.94k 135858.86k openssl speed -evp aes-256-cbc type 16 bytes 64 bytes 256 bytes 1024 bytes 8192 bytes aes-256-cbc 460493.45k 508006.53k 517264.90k 519457.45k 520594.75k ____________________________________________ cat /etc/redhat-release; openssl engine; cat /proc/cpuinfo | grep "model name" Fedora release 18 (Spherical Cow) (dynamic) Dynamic engine loading support model name : Intel(R) Xeon(R) CPU E5640 @ 2.67GHz openssl speed aes-256-cbc type 16 bytes 64 bytes 256 bytes 1024 bytes 8192 bytes aes-256 cbc 58347.04k 63168.39k 64110.99k 135981.36k 137257.23k openssl speed -evp aes-256-cbc type 16 bytes 64 bytes 256 bytes 1024 bytes 8192 bytes aes-256-cbc 462203.14k 512258.69k 519790.56k 522836.19k 523612.23k
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