Need help in Digital signature

Dear All,
 Did any one worked on digital signature of pocket pc.
Requirement is 
  User singes on PPC using "Transcriber" option of
entry and i need to store it in a CE DB.
 if any of you have worked on it please do help me.

Thanking you
P.Prashant kumar


__________________________________________________
Do You Yahoo!?
Tired of spam?  Yahoo! Mail has the best spam protection around 
http://mail.yahoo.com