This week's book giveaway is in the OCPJP forum. We're giving away four copies of OCA/OCP Java SE 7 Programmer I & II Study Guide and have Kathy Sierra & Bert Bates on-line! See this thread for details.
Verify digital signatures using the web service API.
To use these steps:
1 Include project files
2 Create a Signature client
3 Get the PDF document that contains the signature to verify
4 Set PKI run-time options
5 Verify the digital signature
6 Determine the status of the signature
7 Determine the identity of the signer