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I have a problem creating an asymmetric encryption between my client App using Xamarin Forms (PCL) and the server (Web Api). I did it using symmetry and they asked me to modify it. I already do everything via SSL, but still want the asymmetric encryption for the data in querystring and the result of json.
My question is: Can I request the public key from the server and pass it via querystring normally to encrypt? Another question: Can I put a private key fixed and it create the public from it ? Or does this leave vulnerable ?
If anyone has any examples using Pclcrypto or Bouncycastle for asymmetric, please post here. I can’t find