# File lib/pdf/reader/standard_security_handler.rb, line 48
    def initialize( enc, file_id, password )
      @filter        = enc[:Filter]
      @subFilter     = enc[:SubFilter]
      @version       = enc[:V].to_i
      @key_length    = enc[:Length].to_i/8
      @crypt_filter  = enc[:CF]
      @stream_filter = enc[:StmF]
      @string_filter = enc[:StrF]
      @revision      = enc[:R].to_i
      @owner_key     = enc[:O]
      @user_key      = enc[:U]
      @permissions   = enc[:P].to_i
      @embedded_file_filter = enc[:EFF]

      @encryptMeta   = enc.has_key?(:EncryptMetadata)? enc[:EncryptMetadata].to_s == "true" : true;

      @file_id       = file_id.first

      @encrypt_key   = build_standard_key(password)
    end