Hi Ryan

This is an interesting update - sounds like some progress, anyway!

As to the encryption, older versions of the TX code did not properly set the crypto algo ID, and if you're
using one of these that would explain why.  The way to tell is to look in repeater_vocoder.cc to see if you
have the following (see below).  If this code is not there that would explain what's happening.  If it is there then I think the next step would be to run some type of trace so we can confirm what the settings are by looking at the actual air data, there would be no doubt as to whether or not the bits are being set OK...

73

Max

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

/* bits to be preset to 1 for all transmitted frames */
static const bool ldu1_preset[] = {
 ...