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Asked: 2026-05-10T20:52:39+00:00

I need to develop an application which stores data in a SQL Server 2005

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I need to develop an application which stores data in a SQL Server 2005 database (the app itself will be either a WCF Service or an Asp.Net Web Service).

Now, this data is supremely confidential, and I need to have it stored in an encrypted form in the database.

So, I am wondering what the best practices are around this. I know that there is some encryption capabilities that SQL Server has in-built. Is there a ‘for dummies’ type of resource for this so that I can quickly get going.

Alternatively I was thinking that I could encrypt/decrypt in my C# code and not in the database – maybe have a layer which handles this just above the data access layer (is that a good idea)?

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  1. Look at this link for a good introduction with samples.

    I think doing the data encryption in the application is better, because in that case the transferred data is already encrypted. Otherwise you have to use a secure channel between your app and the database server.

    It depends on your needs, i would say.

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