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A very important consideration for designing
interactive PDF forms is ensuring that your forms and the data you gather
is secure. The following functions and features in Designer provide security
options for your forms:
- PDF Security settings
- Let you define the access capabilities users have to the
PDF forms. In the Form Properties dialog box, you can specify a
password that the users must enter to open and fill the form. You
can also restrict various levels of access to the form. For example,
you may want to allow users to fill fields and signatures but not
add comments or pages to the form.
- Digital signatures
- Let you authenticate a signing party and ensure that a form
is not altered after it is signed. To add a digital signature field
to a form design, you can use a signature field or a data signature
associated with a submit button. Use a signature field to protect
the appearance of the form objects and the values they hold. Use
a data signature to protect the integrity of the form data.
- Password fields
- Let you control access to a form. You can set character masking
as an option to the field so that the data is not displayed on the
screen. You can define whether the password is optional, recommended,
or required, and you can set up messages to prompt users appropriately.
All user input may be validated through scripting. You can also
bind password fields to data sources.
- Secure WSDL data connections
- Let you use HTTP/HTTPS and message-level (SOAP) client authentication
to access WSDL documents and to connect to secure web services by
using a security token (embedded in the SOAP message header).
- XML Encryption
- Lets you apply XML encryption to form content. You can apply
encryption options like specifying the content to encrypt, the encryption
algorithm to use, the public encryption certificates to encrypt
for, as well as the key usage criteria to use when filtering for public
encryption certificates.
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