# Hierarchy For Package io.axoniq.dataprotection.cryptoengine.vault

Package Hierarchies:

- All Packages

## Class Hierarchy

- java.lang.Object
  - io.axoniq.dataprotection.cryptoengine.DatabaseBackedCryptoEngine (implements io.axoniq.dataprotection.cryptoengine.CryptoEngine)
    - io.axoniq.dataprotection.cryptoengine.vault.VaultCryptoEngine
  - java.lang.Throwable (implements java.io.Serializable)
    - java.lang.Exception
      - java.io.IOException
        - io.axoniq.dataprotection.cryptoengine.vault.PermissionDeniedException