Sub-Millisecond Frequency Hopping & Transmission Security (TRANSEC)

Engineering cryptographic pseudo-random generators to control RF synthesizer hopping sequences across wideband spectrum.

Transmission Security (TRANSEC) Fundamentals

While COMSEC protects the information payload, TRANSEC protects the transmission itself from detection, interception, and electronic jamming. RadioHSM integrates high-speed cryptographic state machines that output 32-bit channel selections every 100 microseconds, dynamically controlling RF synthesizers ahead of adversary tracking receivers.

Synchronized Time-of-Day Key Derivation

Hopping sequences are synchronized across tactical battle groups using GPS-denied atomic clocks (CSAC). RadioHSM combines the master mission key with time-of-day tokens, ensuring all radios hop in exact lockstep without transmitting synchronization beacons that could reveal troop positions.

10,000 Hops/Second: Driving fast RF agile synthesizers across 30 MHz to 3 GHz spectrum without hop collisions.
Unpredictable Hop Patterns: Cryptographically seeded PRNGs preventing adversary direction-finding and signal interception.
Direct Sequence Spread Spectrum (DSSS): Combining frequency hopping with cryptographic direct sequence spreading.
Anti-Jamming Resilience: Automatically skipping jammed frequency channels via real-time spectrum feedback.

Voir les domaines