Android Question Encrypt / Decrypt

RUNO · Sep 7, 2021

Hello everybody
I have a set of data that I want to save in the database, how do I encrypt it to protect it before sending it to the server .

B4X:

Dim Products As List
            Products.Initialize
            Do While RS.NextRow
                '
                Dim Items As Map = CreateMap("item_id" : RS.GetInt("id"), _
                 "item_quantity" : RS.GetInt("qty"), "item_price" : RS.GetDouble("price"), _
                 "item_name" : RS.GetString("name"))'
                Products.Add(Items)
            
            Loop
            RS.Close
            
            Dim JSON As JSONGenerator
            JSON.Initialize2(Products)
            Dim JSONstring As String
            JSONstring = JSON.ToString

What is the best way to encrypt it and how? can anyone help me .

Jeffrey Cameron · Sep 7, 2021

You haven't provided enough information to make an informed response. What server are you sending the JSON to? Is it one you're developing? Is it an existing server (in which case they probably have an existing protocol)?

As far as how to do encryption in B4X, here's a good place to start: https://www.b4x.com/android/forum/threads/97927/#content

If you're sending the JSON via HTTPS then it's already encrypted, why bother encrypting it again? We'll need some more specifics from you if you need additional help.

RUNO · Sep 8, 2021

Jeffrey Cameron said:
You haven't provided enough information to make an informed response. What server are you sending the JSON to? Is it one you're developing? Is it an existing server (in which case they probably have an existing protocol)?

As far as how to do encryption in B4X, here's a good place to start: https://www.b4x.com/android/forum/threads/97927/#content

If you're sending the JSON via HTTPS then it's already encrypted, why bother encrypting it again? We'll need some more specifics from you if you need additional help.

Thanks @Jeffrey Cameron, you gave me some info
What server are you sending the JSON to? Is it one you're developing? Is it an existing server (in which case they probably have an existing protocol)?
Every part needs clarification
PHP file
Yes, send to https
So, when do I need encryption? (e.g. AES Encryption)

Jeffrey Cameron · Sep 9, 2021

RUNO said:
So, when do I need encryption? (e.g. AES Encryption)

If you're writing both ends, you get to decide If you're communicating HTTPS then whatever you're sending to/from your server is already encrypted via SSL. If you're just sending your bowling league scores back and forth that is probably sufficient. If you're sending credit card payment information then you'll probably want to add one or more layers of encryption.

Android Question Encrypt / Decrypt

RUNO

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Jeffrey Cameron

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RUNO

Active Member

Jeffrey Cameron

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