Armando47

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Device crittografico tascabile

device piccolo ed economico per lo scambio di messagi di testo cifrati su canali audio.

externals

lcd (grafico? 4x20 caratteri)
keypad 4x3
jack audio in
jack audio out
ptt
mini-usb ?

internals

processore: dspic33fj128gp802
codifica audio: MFSK
- https://en.wikipedia.org/wiki/Olivia_MFSK
- http://www.w1hkj.com/downloads/fldigi/fldigi-3.21.41.tar.gz
FEC: Hadamard-code
algoritmo di cifratura: AES-256

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