28-12-2016 дата публикации
Номер: KR1020160149457A
Принадлежит:
Disclosed is a plant data transmission managing device and a method thereof. According to the plant data transmission managing device and the method of the present invention, public keys corresponding to private keys generated by a plurality of factory equipment devices are received from the devices, the public keys are stored on a key database to correspond to unique identification numbers of the devices, and if combination data in which the unique identification numbers of the devices and the device management data are combined is encrypted by private keys generated by the devices is received from the devices, the encrypted combination data is decrypted by the public keys stored on the key database, and it is identified whether there is decryption data in which a unique identification number that coincides with one of the unique identification numbers stored on the key database, so that whether the combination data is data transmitted from any one of the plurality of factory equipment ...
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