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Transmission security (TRANSEC) is the component of communications security (COMSEC) that results from the application of measures designed to protect transmissions from interception and exploitation by means other thancryptanalysis. Goals of transmission security include:
This involves securing communication links from being compromised by techniques like jamming, eavesdropping, and signal interception. TRANSEC includes the use of frequency hopping, spread spectrum and the physical protection of communication links to obscure the patterns of transmission. It is particularly vital in military and government communication systems, where the security of transmitted data is critical to prevent adversaries from gathering intelligence or disrupting operations. TRANSEC is often implemented alongside COMSEC (Communications Security) to form a comprehensive approach to communication security.[1]
Methods used to achieve transmission security includefrequency hopping andspread spectrum where the requiredpseudorandom sequence generation is controlled by acryptographic algorithm andkey. Such keys are known astransmission security keys (TSK). Modern U.S. andNATO TRANSEC-equipped radios includeSINCGARS andHAVE QUICK.
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