crypto flag?

Hi,

Just wanted to see what people think ... I frequently find myself with
different pcap files:

 * OTA files: completely encrypted frames
 * locally created files (HW crypto): IV present but frame not encrypted
 * (infrequently, with other HW: files that have protection bit w/o IVs)

wireshark has a setting for this, but I find myself switching it around
all the time.

What would you think about a radiotap flag that tells wireshark what
happened in the packet?

johannes