Class: HexaPDF::Encryption::EncryptionDictionary

Inherits:
Dictionary show all
Defined in:
lib/hexapdf/encryption/security_handler.rb

Overview

Base class for all encryption dictionaries.

Contains entries common to all encryption dictionaries. If a specific security handler needs further fields it should derive a new subclass and add the new fields there.

See: PDF2.0 s7.6.2

Direct Known Subclasses

StandardEncryptionDictionary

Constant Summary

Constants included from DictionaryFields

DictionaryFields::Boolean, DictionaryFields::PDFByteString, DictionaryFields::PDFDate

Instance Attribute Summary

Attributes inherited from Object

#data, #document, #must_be_indirect

Instance Method Summary collapse

Methods inherited from Dictionary

#[], #[]=, define_field, define_type, #delete, #each, each_field, #empty?, field, #key?, #to_hash, type, #type

Methods inherited from Object

#<=>, #==, #cache, #cached?, #clear_cache, deep_copy, #deep_copy, #document?, #eql?, field, #gen, #gen=, #hash, #indirect?, #initialize, #inspect, make_direct, #null?, #oid, #oid=, #type, #validate, #value, #value=

Constructor Details

This class inherits a constructor from HexaPDF::Object

Instance Method Details

#must_be_indirect? ⇒ Boolean

Returns true because some PDF readers stumble when encountering a non-indirect encryption dictionary.

Returns:



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# File 'lib/hexapdf/encryption/security_handler.rb', line 64

def must_be_indirect?
  true
end