Class ProtectionPolicy

  • Direct Known Subclasses:
    PublicKeyProtectionPolicy, StandardProtectionPolicy

    public abstract class ProtectionPolicy
    extends java.lang.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.
    Version:
    $Revision: 1.3 $
    Author:
    Benoit Guillon (benoit.guillon@snv.jussieu.fr)
    See Also:
    PDDocument.protect(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 or 128)
      • 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.