mdp

The mdp object provides support for Modify Detection Prevention Plus (MDP+) digital signatures. Acrobat 8.0 and later supports MDP+ digital signature for XFA-based forms.

In Designer, MDP+ signatures are implemented with a Signature Field. Signature fields enable you to specify a collection of form objects that are protected by the document signature. Using document signatures prevents the form or a portion of the form from being modified.

Hierarchy of objects

Model

Child objects

Form Model

None

Parent class

node class class

Properties

Name

Description

Type

Access

permissions

Specifies the access permissions granted for a form that includes an author signature.

String

Read /Write

signatureType

Specifies how a form with a document signature is saved as certified PDF document.

String

Read /Write

use

Invokes a prototype.

String

Read /Write

usehref

Invokes an external prototype.

String

Read /Write

Methods

None

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