ProtectionPolicy (library 1.8.10.3 API)

java.lang.Object
- com.tom_roush.pdfbox.pdmodel.encryption.ProtectionPolicy

Direct Known Subclasses:

PublicKeyProtectionPolicy, StandardProtectionPolicy
```
public abstract class ProtectionPolicy
extends Object
```
This class represents the protection policy to apply to a document. Objects implementing this abstract class can be passed to the protect method of PDDocument to protect a document.

See Also:

PDDocument.protect(ProtectionPolicy)

Constructor Summary

Constructors
Constructor Description

ProtectionPolicy()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`int`	`getEncryptionKeyLength()`	Get the length of the secrete key that will be used to encrypt document data.
`void`	`setEncryptionKeyLength(int l)`	set the length in (bits) of the secret key that will be used to encrypt document data.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - ProtectionPolicy
```
public ProtectionPolicy()
```
- Method Detail
  - setEncryptionKeyLength
```
public void setEncryptionKeyLength(int l)
```
    set the length in (bits) of the secret key that will be used to encrypt document data. The default value is 40 bits, which provides a low security level but is compatible with old versions of Acrobat Reader.
    
    Parameters:
    
    l - the length in bits (must be 40, 128 or 256)
  - getEncryptionKeyLength
```
public int getEncryptionKeyLength()
```
    Get the length of the secrete key that will be used to encrypt document data.
    
    Returns:
    
    The length (in bits) of the encryption key.