I tested the generation of a certificate with a keypair RSA 4096 bit on two
different platforms. 

The openssl command I used is: 
/openssl req -newkey rsa:4096 -keyout clientKey.pem -out clientReq.pem/

There was a huge difference in the time it took on each one of the
platforms. On a first Linux Station it took about 10 seconds. While in the
second Linux embedded board it took almost 2 minutes!

Is the strength or efficiency of the processors the only way to explain the
difference of time?

Is there a way to reduce the duration of the process?




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