Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Keonwoo Kim0
Ku Young Chang0
Nam-Su Jho0
Taek-Young Youn0
Date of Patent
July 17, 2018
Patent Application Number
15051574
Date Filed
February 23, 2016
Patent Citations Received
Patent Primary Examiner
Patent abstract
In a client, an encryption key is created using plain text data, a first tag is created using the encryption key, and the plain text data are encrypted under the encryption key to create encrypted data. The first tag is transmitted to the server to confirm whether the encrypted data is duplicated and after transmitting the first tag, the encrypted data is transmitted to the server in accordance with the request of the encrypted data from the server.
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