C#: XmlTextReader with CryptoStream

[pesso]

I have the following code that's taken and modified from a got_dot_net
example.

I'm trying to decrypt an Xml file that's been encrypted. I can dump the
decrypted stream to the console, but if I try to load that into
XmlTextReader, it throws XmlException. I'd appreciate your help.

//create file stream to read encrypted file back
FileStream fsread = new FileStream(args[0], FileMode.Open,
FileAccess.Read );

//DES instance with random key
DESCryptoServic eProvider des = new DESCryptoServic eProvider();

//create DES Decryptor from our des instance
ICryptoTransfor m desdecrypt =
des.CreateDecry ptor(SymmetricK eyForDimeData.S ecretKey,
SymmetricKeyFor DimeData.Initia lizationVector) ;

//create crypto stream set to read and do a des decryption transform on
incoming bytes
CryptoStream cryptostream = new CryptoStream(fs read, desdecrypt,
CryptoStreamMod e.Read);

StreamReader streamreader = new StreamReader(cr yptostream, new
UTF8Encoding()) ;

//Console.Write(s treamreader.Rea dToEnd()); // this works.

XmlTextReader xtr = new XmlTextReader(c ryptostream);
xtr.WhitespaceH andling = WhitespaceHandl ing.None;
xtr.XmlResolver = null;

// this causes System.Xml.XmlE xception: The root element is missing.
while(xtr.Read( )) {
Console.WriteLi ne("Element Name: {0}", xtr.Name);
}

[Adam]

Have you tried:
string xmlInput = streamReader.Re adToEnd();

XmlTextReader xtr = new XmlTextReader(x mlInput);

[pesso]

Yes. It didn't work.

Adam wrote:

Have you tried:
string xmlInput = streamReader.Re adToEnd();

XmlTextReader xtr = new XmlTextReader(x mlInput);