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What's the process in encrypting/decrypting selected fields? What's the logic flow?

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    What's the process in encrypting/decrypting selected fields? What's the logic flow?

    I've looked up encrypt_string() and a5_encrypt_string() and their decrypting counterparts. I understand the functions but can't figure out where I can use them within my app.

    For example if I'm looking at a SSN in plain view on my form, when and where do I apply the encryption.

    If my MS SQL Server backend contains the encypted version of my secret fields, how do I bring them back to view so that I can view/edit them. Again, when and where do I apply the decryption.

    There are so many Server Side and Client Side functions, it's hard to know where to actually handle this. Please advise.

    #2
    Re: What's the process in encrypting/decrypting selected fields? What's the logic flow?

    Tom,

    Instead of going through that, I just encrypted the table. It had other information that needed to be kept secre like DL, Phone, etc.

    If you do not wish the user to see a ss field you could set it as a password field?

    Comment


      #3
      Re: What's the process in encrypting/decrypting selected fields? What's the logic flow?

      Originally posted by amorris View Post
      Tom,

      Instead of going through that, I just encrypted the table. It had other information that needed to be kept secre like DL, Phone, etc.

      If you do not wish the user to see a ss field you could set it as a password field?
      Al,

      I have specific reasons for wanting to encrypt only certain fields. Also, setting the field simply as a password field does not (as far as know) do anything to alter the underlying data (ie. make more secure).

      The weird thing is that A5 provides us with these encrypting functions but I can't seem to find out how they are used in a
      "real world" app. Wish I could find a video (but I can't).

      Problem is if I alter and save the desired field, the grid immediately displays the encrypted data and not the "plain view" data for potential further editing. For me it's a real "Catch-22" scenario.

      Tom W.

      Comment


        #4
        Re: What's the process in encrypting/decrypting selected fields? What's the logic flow?

        Naturally if you encrypt fields when you view the data you see the encrypted values. Alpha has no way of knowing that those fields are encrypted. In order to view the fields unencrypted you will have to use calculated fields based using the appropriate decryption function.
        Peter
        AlphaBase Solutions, LLC

        [email protected]
        https://www.alphabasesolutions.com


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