Update page 'RSA key - Karen'

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**1. determine what RSA key strength you want to use, based on your research on the state of the art in RSA key cracking.
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**1. determine what RSA key strength you want to use, based on your research on the state of the art in RSA key cracking.**
> I will use 2048 bit RSA keys, whice are considered secure against current known attacks and can provide a sufficient level of security.
> The first reason for me to choose 2048 bit RSA keys is that I have heard that 1024 bit RSA keys have been cracked and are not used any more for web sites, and RSA-2048 is the one being recommended by NIST as it gives roughly 112 bits of security.
> The other reason why I will use RSA-2048 instead of RSA-4096 is that some clear benefits of using 2048 bit keys appear in certain situations nowadays, including using less CPU than a longer key during encryption, and using less battery drain and storage space.