Hello Andreas!
Yes, I am a little bit desperate about XFA signatures! ;-)
My need is to make a *standard PDF Signature over a dynamic PDF file* which
contains an empty XFA field.
Typically, for tests purpose, I have this kind of field (totally created
with Acrobat PRO meaning a default signature field):
<field name="Signature1" y="13.65mm" x="48.65mm" w="62mm" h="9mm">
<ui>
<signature type="PDF1.6">
<border>
<?templateDesigner StyleID aped3?>
<edge stroke="lowered"/>
</border>
<margin/>
<manifest action="all"/>
</signature>
</ui>
<margin topInset="1mm" bottomInset="1mm" leftInset="1mm"
rightInset="1mm"/>
<para vAlign="middle"/>
<caption reserve="31mm">
<para vAlign="middle"/>
<value>
<text>Champ 1</text>
</value>
</caption>
<bind match="none"/>
</field>
I need to handle the signature field with or without manifest. And as you
guess, my trouble starts with handling manifest over several or all fields
(Acrobat Reader valids the signature but tells also that the XFA fields have
been modified!)
For this example, I have control over the manifest. But I won't have it on
others PDF... and that is my worry.
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