Transmission security is provided when frequency hopping radios are used.
2.
With Pacific Bell's fiber-optic lines, ITN doesn't have to wait for satellite time or worry about transmission security.
3.
The command also maintained a cadre of TRANSEC ( Transmission Security ), later known as COMSEC ( Communications Security ) personnel.
4.
Methods used to achieve transmission security include frequency hopping and spread spectrum where the required pseudorandom sequence generation is controlled by a cryptographic algorithm and key.
5.
"' Key Stream "' sequence of symbols ( or their electrical or mechanical equivalence ) produced in a machine or auto manual cryptosystem to combine with plain text to produce cipher text, control transmission security processes, or produce key.
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