lib/hexapdf/encryption/security_handler.rb in hexapdf-0.32.0 vs lib/hexapdf/encryption/security_handler.rb in hexapdf-0.32.1

@@ -356,10 +356,10 @@
             5
           else
             raise(HexaPDF::UnsupportedEncryptionError,
                   "Invalid key length #{key_length} specified")
           end
-        dict[:Length] = key_length if dict[:V] == 2
+        dict[:Length] = key_length if dict[:V] == 4 || dict[:V] == 2
 
         if ![:aes, :arc4].include?(algorithm)
           raise(HexaPDF::UnsupportedEncryptionError,
                 "Unsupported encryption algorithm: #{algorithm}")
         elsif key_length < 128 && algorithm == :aes