Screen Holdings Co., Ltd.

Tetsuyuki Kitayama

Kiyoshi Imai

Koji Matsuo

Toshio Manki

Kazuo Isoguchi

Kenta Nagai

Sho Tomioka

An editing device generates a first public key and a first private key, receives a manuscript data encrypted using the first public key from an ordering device, and decrypts the encrypted manuscript data using the first private key. The editing device generates, based on the manuscript data, print data encrypted using a second public key generated in a RIP processing device, and deletes the first private key after finishing execution of a job. Using a third public key, the editing device encrypts a log which shows an execution process of the job, the log including information that a finish processing has been executed. The editing device may store the first private key before starting execution of the job, and may control whether the job is to be executed, based on a job ID received from the ordering device.

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Kyoto, Japan

Tetsuyuki Kitayama