DocMdpSignature (PDF Toolbox SDK)

java.lang.Object
- com.pdf_tools.fourheights.pdftoolbox.internal.NativeBase
- - com.pdf_tools.fourheights.pdftoolbox.internal.NativeObject
  - - com.pdf_tools.fourheights.pdftoolbox.pdf.forms.SignatureField
    - - com.pdf_tools.fourheights.pdftoolbox.pdf.forms.SignedSignatureField
      - com.pdf_tools.fourheights.pdftoolbox.pdf.forms.Signature
        
        com.pdf_tools.fourheights.pdftoolbox.pdf.forms.DocMdpSignature

```
public class DocMdpSignature
extends Signature
```
A Document Modification Detection and Prevention (MDP) signature that certifies the document
This type of signature enables the detection of disallowed changes specified by the author.

- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  MdpPermissions getPermissions()
  The access permissions granted for this document (Getter)
  - Methods inherited from class com.pdf_tools.fourheights.pdftoolbox.pdf.forms.Signature
    getContactInfo, getLocation, getReason
  - Methods inherited from class com.pdf_tools.fourheights.pdftoolbox.pdf.forms.SignedSignatureField
    getDate, getName
  - Methods inherited from class com.pdf_tools.fourheights.pdftoolbox.pdf.forms.SignatureField
    getIsVisible
  - Methods inherited from class com.pdf_tools.fourheights.pdftoolbox.internal.NativeObject
    equals, hashCode
  - Methods inherited from class java.lang.Object
    getClass, notify, notifyAll, toString, wait, wait, wait

- Method Detail
  - getPermissions
```
public MdpPermissions getPermissions()
```
    The access permissions granted for this document (Getter)
    Note that for encrypted PDF documents, the restrictions defined by this DocMDPSignature are in addition to the document pdftoolbox.pdf.Document.getPermissions.
    
    Throws:
    
    java.lang.IllegalStateException - if the object has already been closed