| 摘要 |
A wireless headset comprising:
a microphone;
a loudspeaker;
a wireless transmitter for wireless transmission of signals with a remote device;
a memory for storing a one-time encryption key;
an encrypting part for encrypting voice signals before said wireless transmission by Boolean combinations between said voice signal and said one-time encryption key (K), each bit of said one-time encryption key is used at most one time. |
