| Exception | Description | 
|---|---|
| AlreadyInitializedException | Exception thrown when an attempt is made to change the configuration
 of an entity once it has been initialized. | 
| EncryptionInitializationException | Exception thrown when an error is raised during initialization of
 an entity. | 
| EncryptionOperationNotPossibleException | 
 General exception thrown when any errors are raised during encryption,
 digesting, etc. | 
| PasswordAlreadyCleanedException | Exception thrown when an attempt is made to access the configured
 password of an encryptor when this password has already been
 cleaned (so that it appears no more as an immutable String in memory). | 
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