Samsung Electronics Co., Ltd.

Junhyen Park

Jaehyun Bae

An electronic apparatus includes a communication interface, and a processor configured to encrypt data in each of a plurality of sections of voice data, the voice data corresponding to a first user voice signal, and control the communication interface to transmit the encrypted data to a server. The processor is further configured to obtain an authentication key based on data in a first section of the plurality of sections, encrypted data in the first section having been transmitted to the server, and encrypt data in a second section to be transmitted by using the authentication key.

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Suwon-si, South Korea

Junhyen Park