How to Encrypt Password of Entity Framework connection string in WEB.CONFIG

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I'm using Entity Framework in my project. Connection string for connecting database is available in web.config file like

XML

<add name="DEMOEntities" connectionString="metadata=res://*/DEMO.csdl|res://*/DEMO.ssdl|res://*/DEMO.msl;provider=System.Data.SqlClient;provider connection string="data source=SQLSERVERNAME;initial catalog=demo_dev;user id=demo_dev;password=demo_dev;MultipleActiveResultSets=True;App=EntityFramework"" providerName="System.Data.EntityClient" />

Simply I wanna hide username and password using encryption or any other techinique,
Please do needful

Thanks & Regards
Amol

Posted 7-May-15 19:02pm

Amol Lendave

Updated 23-Dec-19 22:16pm

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pritaeas · Answer 1 · 2015-05-07T22:43:00

Solution 1

Perhaps this MSDN entry[^] can help.

Posted 7-May-15 22:43pm

pritaeas

sona184 · Answer 2 · 2019-12-10T10:51:00

Hi, I have been working a project to SQL CE, we had the necessity to encrypt the password and apply the following solution, I hope this approach work for you:

C#

//get the encrypted connection string
var strConnectionString = ConfigurationManager.ConnectionStrings["EntitiesTest"].ConnectionString;

//Split the connetion string with "=" separator
string[] staConnectionString = strConnectionString.Split('=');

//Decrypted password and assigned it to variable
var strDecrypted = WrapperClass.Utilities.Decrypt(staConnectionString[5].Replace("\"",""));

//Build a new connection string with the information
var strConnectionString2 = string.Format("{0}={1}={2}", staConnectionString[3].Replace("\"", ""), staConnectionString[4], staConnectionString[5].Replace("\"", ""));

//Assign the new connection string in Database connection string
Database.Connection.ConnectionString = strConnectionString2;