So let's do something fun. Here is an SSID encoder/decoder that implements the SSID coding scheme (sps_ssid_coder.c). To build run gcc -o sps_ssid_coder sps_ssid_coder.c

If you can think of ways to optimise the decode_ssid function please fire away.

Edit: it prints the correct hex string representation out now for use in realterm.

It should yield the following output:

See Coder Update for the latest code.