The SSL protocol is used for encryption of data for secure data transmission.
SSL协议的作用是将数据进行加密，保证数据传输安全。
End-to-End encryption is offered by TETRA to protect data during the entire transmission.
TETRA还提供端-端加密服务，确保整个传输过程的机密性。
End-to-End encryption is offered by TETRA to protect data during the entire transmission.
TETRA还提供端-端加密服务，确保整个传输过程的机密性。
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