Patent ID: 9401809
Filing Date: 2016-07-26
CPC Classification: G06F,H04L

Claim Text:
1. A composite system, comprising: a main system including circuitry configured to operate with a main program; and a sub-system including circuitry configured to operate both with sub-programs and under the control of the main system and including a receiving buffer, the sub-system being attachably and detachably connected to the main system via a predefined bus through an external connection of the main system, wherein the circuitry of the main system is configured to the receiving buffer is configured to read and write the fragments of data received from the main system temporarily, and the circuitry of the main system and the sub-system are configured to execute an encrypting process even if the size of the target data to be encrypted is bigger than the size of the receiving buffer in the sub-system.