Encrypt and Decrypt Connection Strings in Web.Config

Encryption and Decryption using Web.Config

File->New->WebSite

Go to web.config file and write the following code.

<connectionStrings>
    <add name="dbemployee" connectionString="Data Source=localhost; user id=sa;password=uday; database=uday"
      providerName="System.Data.SqlClient" />
  </connectionStrings>

Now go to Visual Stdio CommandPrompt and type the following to encypt the web.config file.

aspnet_regiis.exe -pef "connectionStrings" path of the file

Eg: aspnet_regiis.exe -pef "connectionStrings"  C:\Users\uday\Documents\WebSite3

here pef indicates file system website.

Now go to web.config and see the web.config file with the encrypted code

Web.config

Decrypt the Connection String

Now go to Visual Stdio CommandPrompt and type the following to decrypt the web.config file

aspnet_regiis.exe -pdf "connectionStrings" path of the file

Eg: aspnet_regiis.exe -pdf "connectionStrings"  C:\Users\uday\Documents\WebSite3

Web.config