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? about RPSD lock and key 1

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lounytoon

Technical User
Jan 2, 2004
17
US
Is it an encrypted session or just an encrypted handshake?

Thanks.
 
Encrypted handshake. The lock answers, plays tones, the key hears the tones and interrupts the line, they handsake, then the lock 'rings' the modem and the session proceeds.
 
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