Encrypting Communications

A transmitter configured to securely communicate a data chirp signal to a receiver, the chirp signal comprising at least one symbol, each symbol comprising one or more identical chirps, each chirp encoding a symbol value, the transmitter comprising:

• a processor configured to negotiate with the receiver encryption parameters of the chirp signal, the encryption parameters defining at least one property of each symbol of the chirp signal;
• an encryption module configured to encrypt the chirp signal as negotiated;
• an encoding module configured to encode data in the chirp signal via the symbol value of each chirp;
• and
• a transmitting module configured to transmit the encrypted and encoded chirp signal from the transmitter to the receiver.

A receiver configured to securely receive a data chirp signal from a transmitter, the chirp signal comprising at least one symbol, each symbol comprising one or more identical chirps, each chirp encoding a symbol value, the receiver comprising:

• a processor configured to negotiate with the transmitter encryption parameters of the chirp signal, the encryption parameters defining at least one property of each symbol of the chirp signal;
• a receiving module configured to receive an encrypted and encoded chirp signal from the transmitter;
• a decrypting module configured to decrypt the chirp signal as negotiated;
• and
• a decoding module configured to decode data in the chirp signal via the symbol value of each chirp.