Digital Signatures in Form
Integration
When editing forms whose content is critical to security, it is a good idea to use digital signatures, so that the origin of the form can be verified. This allows you to check whether the source is trustworthy and whether the form or its content has been changed subsequently (integrity).
See also:
Digital Signatures and
Certification in Forms
Prerequisites
● ADS Connection
For the
signatures, you need a secure connection via SSL or HTTPS. For this, your
system needs an RFC connection of type HTTP Connection
to External Server for the ADS. The external server for the ADS is the
J2EE Engine. See
Adobe Document
Services Configuration Guide
● Documents with Signature Field
To set and check the signature, the form must have a signature field. You can run insert this in Form Builder (transaction SFP) in Layout.
It does not make any difference whether the signature is server-side or client-side.
Signing a Form
...
1. Create a form with a signature field.
2. To digitally sign your form, click on the signature field.
3.
Confirm the
subsequent prompts.
The signature information is inserted in the signature field.
Example:
Checking the Signature
The validity of the signature is checked Send button that is inserted on the form. This button is then used to send the signed form back to the back end.
Method GET_SIGNATURES of interface IF_FP_PDF_OBJECT is used for this.
For more
information, see
Scenarios for Setting
and Checking Multiple Signatures.