User encrypt txt file using existing public key, server decrypt with privt key

  1. dhiyani
    Im a total beginner in seeking for some experts help.. I want to encrypt the contents of my .txt file using RSA public key that i have, and then upload the encrypted file to server...
    And then, I want the server to decrypt the uploaded file using the matching RSA private key and display the original message that was in the .txt file to the user... I already have the both the public and private keys using Putty, and I don't know what to do next..
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