16-08-2018 дата публикации
Номер: WO2018147673A1
Принадлежит:
The present invention relates to a symmetric key-based user authentication method performed by a smart card, a user terminal capable of reading and writing the smart card, a plurality of sensors, and a gateway communicating with the sensor. The present invention provides a configuration comprising the steps of: (a) receiving, by the gateway, a user ID and a dynamic password from the user terminal, generating a secret key encrypted with the ID and the dynamic password, and a login verification value composed of the dynamic password and the secret key, and storing the same in the smart card; (b) extracting, by the user terminal, the dynamic password from the input ID and password, decrypting the secret key by using the extracted dynamic password, restoring the login verification value, and verifying the restored login verification value with the login verification value of the smart card; (c) generating, by the user terminal, a dynamic ID, generating a symmetric key with a dynamic ID and ...
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