We want to make sure the message doesn't match any of the station's listed prefixes. Also, we give a finite number of tries to generate a valid message just in case prefixes somehow cover all messages. Make it a setting so it can be increased if needed.
Description
Numbers Station uploads encrypted messages and dummy messages on a regular basis so the timing of the real messages is obscured.
Also includes a listener application that checks for updates regularly and can notify if a real message is received.
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