Patent ID: 9176897
Filing Date: 2015-11-03
Classification: G06F,H04L

Abstract:
1. A writing area security system including a storage having a predetermined writing area, a controller controlling writing to and reading from said storage, and a host to be connected to said controller, wherein said host includes an instruction transmitter which transmits a reading instruction of data stored in said predetermined writing area to said controller, and said controller includes said storage has a first area and a second area, said controller further includes a first writer which writes data to said first area in a writable mode to which a transition is made in response to a first transition command issued by a server for downloading data to said host, and said format determiner determines only with respect to data read from said second area as said predetermined writing area whether or not said data is in the predetermined format, wherein said server includes an encrypter which encrypts said first transition command.