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I've been trying to learn sql injection and tried perform on a site that we developed. Following code is sample code taken from internet. I want to know is there a way to do sql injection even on a prepared statement?

String password = request.getParameter("Encrypted_password");       
// Assume the password is encrypted using MD5
String query = "SELECT password FROM user_data WHERE user_name = ? ";     
PreparedStatement pstmt = connection.prepareStatement( query );       
pstmt.setString( 1, password);       
ResultSet results = pstmt.executeQuery( );        

Assume password is encrypted.
I haven't include complete code for both username and password. Just password.
How can I bypass this login?
My objective is to login successfully even when the password is encrypted

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