# Hierarchy For Package org.apache.pdfbox.pdmodel.encryption

Package Hierarchies:

- All Packages

## Class Hierarchy

- java.lang.Object
  - org.apache.pdfbox.pdmodel.encryption.AccessPermission
  - org.apache.pdfbox.pdmodel.encryption.DecryptionMaterial
    - org.apache.pdfbox.pdmodel.encryption.PublicKeyDecryptionMaterial
    - org.apache.pdfbox.pdmodel.encryption.StandardDecryptionMaterial
  - org.apache.pdfbox.pdmodel.encryption.PDCryptFilterDictionary (implements org.apache.pdfbox.pdmodel.common.COSObjectable)
  - org.apache.pdfbox.pdmodel.encryption.PDEncryption (implements org.apache.pdfbox.pdmodel.common.COSObjectable)
  - org.apache.pdfbox.pdmodel.encryption.ProtectionPolicy
    - org.apache.pdfbox.pdmodel.encryption.PublicKeyProtectionPolicy
    - org.apache.pdfbox.pdmodel.encryption.StandardProtectionPolicy
  - org.apache.pdfbox.pdmodel.encryption.PublicKeyRecipient
  - org.apache.pdfbox.pdmodel.encryption.SecurityHandler<TPOLICY>
    - org.apache.pdfbox.pdmodel.encryption.PublicKeySecurityHandler
    - org.apache.pdfbox.pdmodel.encryption.StandardSecurityHandler
  - org.apache.pdfbox.pdmodel.encryption.SecurityHandlerFactory
  - org.apache.pdfbox.pdmodel.encryption.SecurityProvider
  - java.lang.Throwable (implements java.io.Serializable)
    - java.lang.Exception
      - java.io.IOException
        - org.apache.pdfbox.pdmodel.encryption.InvalidPasswordException