Comment on this news article
PDF Signet 1.3 adds support for digital signing with eTokens/smartcards - prMac (press release)
http://news.google.com/news/url?sa=t&fd=R&ct2=us&usg=AFQjCNEfvPHxbYvvEx1kv8xZG4hjJF55Dw&clid=c3a7d30bb8a4878e06b80cf16b898331&ei=oz8-U4D3AorUwQGOaA&url=http://prmac.com/release-id-66682.htm