Supposedly the chip is there to determine what the cable is being used for (data & power or just power). But, as was pointed out in the office, why doesn't the phone just do that?
There as a report on the web yesterday that (IIRC on Engadget) that a Chinese company has cracked the encryption and non-Apple versions would me forthcoming.
Edit: Autocorrect madness!!
Edited by deleted (Wed 10-Oct-12 13:02:05)