def read(self, istream): super(GetRequestPayload, self).read(istream) tstream = BytearrayStream(istream.read(self.length)) if self.is_tag_next(Tags.UNIQUE_IDENTIFIER, tstream): self.unique_identifier = attributes.UniqueIdentifier() self.unique_identifier.read(tstream) if self.is_tag_next(Tags.KEY_FORMAT_TYPE, tstream): self.key_format_type = GetRequestPayload.KeyFormatType() self.key_format_type.read(tstream) if self.is_tag_next(Tags.KEY_COMPRESSION_TYPE, tstream): self.key_compression_type = GetRequestPayload.KeyCompressionType() self.key_compression_type.read(tstream) if self.is_tag_next(Tags.KEY_WRAPPING_SPECIFICATION, tstream): self.key_wrapping_specification = KeyWrappingSpecification() self.key_wrapping_specification.read(tstream) self.is_oversized(tstream) self.validate()