Wcdma 3g voice communication protection method and terminal thereof
2011
PURPOSE: A WCDMA(Wideband Code Division Multiple Access) 3G voice communication protection method and a terminal thereof are provided to execute end-to-end protection for voice communication using an encrypted mobile communication terminal. CONSTITUTION: A voice processing unit(113) converts voice encoding data corresponding to the user of a terminal. The voice processing unit converts voice encoding data corresponding to the terminal into voice. An encryption or decryption unit(116) encrypts voice encoding data based on a session key generated in a corresponding S-USIM(Secure-Universal Subscriber Identity Module). The encryption or decryption unit decrypts the voice decryption data received based on the session key. A control unit(114) executes an encrypted synchronization procedure with an opponent terminal through the voice communication information. The control unit executes the encrypted communication which reproduces the decrypted data or transmits the encrypted data. [Reference numerals] (111) Wireless communication unit; (112) Input unit; (113) Voice processing unit; (114) Control unit; (115) Regeneration unit; (116) Encryption or decryption unit; (117) Connecting unit
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