Java component that creates/adds a digital signature to a PDF file. It is very easy to use, just 2 lines of Java code are required. It can be used in comercial products. This signature ensures the integrity of your document and its authentication. In other words, the receiver of the document knows you have created that document (authentication) and noone has modified it (integrity). The signature created will use the algorithms RSA signature, SHA1 hash and PKCS7 encoding. It works on Java 1.5 or later.

• WebPen 4.1
  WebPen allows your website users to sign documents, forms, and agreements online using the mouse as a pen! Now legal documents and agreements can be displayed online and signed...