How to create and verify a digital signature using SHA1 RSA algo?

Question

Hi Team,

My requirement is as below, were in I have to pass the data along with generaed digital signature in a complete xml doc. Can any one suggest some links where I can go through fuurther.

<?xml version="1.0"?>

<root>

      <Request></Request>

     <digital_signature></digital_singnature>

</root>

Thanks