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I have an SQL data-table containing the usual information for customer - name, address etc.The application is an C#/Asp.NET that allows customer service to also view customer credit card information to process billing.
Problem: The credit card information is stored in clear text.
C# code showing how :
1. Insert statement that encrypts credit card info when saving to database.
2. Update statement should also do above.
3. Using sqlr reader to read store encrypted info to clear text so user can proceed.
The solution needed should use RijndaelManaged cryptology.
To assist, The code i have is given below. Please complete by providing an aspx page that updates and reads the code.
public class modCipher
RijndaelManaged cipher = new RijndaelManaged();
cipher.KeySize = 256;
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