In reply to ultrabumbly:
> That isn't quite accurate. The range is practically around 0.5m when the passport is open.
It makes no difference whatsoever what the range is. The chip is a "smart" chip and it will not release stored data from itself unless some other data is provided to it first. That data is found on the machine-readable printed part of the passport.
> It could in theory be much greater but then you would have signal pollution affecting other nearby units. The passport is reasonably shielded, by design, when closed. Many people at boarding hold the passport open, flat, at the photo page with their boarding pass out of habit. The reason for placing the passport, at all points in the system, "in" machines with the "chevron" machine readable area correctly orientated is that the system has to also cope with 2 sets of users: those with passports issued before they included rfid (still a couple of years to go)and those whose passport's rfid has died, as even when this happens the passport remains valid.
False. The e-gates are usable only by e-passport holders. There is no point in scanning the machine readable bit other than that it is required to get access to the electronic bit!
> Everything on the machine readable area is also on the rfid enabled part. However the reader has to handshake with the passport before it yields all the information past its unique identifier . This happens by the reader sending a paired key to the passport and yes it can derive the key from the printed area. The request is human initiated as this is the one point where identity theft is possible, in theory, in that after the handshake someone could record what is sent back to the reader and later decrypt it.
Potentially.
> It can absolutely "tell" that a unique fully working passport is there though from the point it can read it and the issuing and partnered agencies already have the extended details including,implicitly, the key on file and so too do the airline and airport if you have been through that set of systems with that passport before or you are later in the chain having already had the passport scanned. The technology and systems have been available for yonks to do it absolutely "contactless" past the first show.
It does appear (I just read mine using a phone app) the passport chip has an RFID chip ID on it which can be read without more information. However one assumes that (like a passport number without any further information) is not actually of any use, because it would not be unique across countries. You can't get anything else without the key information, which appears to be passport number, date of birth and date of issue.
> One of the reasons most have stuck with old practices is they found that there were problems with the human factors in the process. In dealing with the cases where the interaction didn't go ideally, diligence dropped and errors were made with the majority. Just because they don't typically do something does not mean they don't have the capacity to do so. I could quite easily see the situation where old Ethel is the last on the manifest and is balancing her bag and cane trying to drop the passport on the counter and she just gets blipped through without them touching her passport seeing as they know she has produced it earlier in the process and they know she has it about her person at while at the counter.
If she has a manually-issued boarding card yes, as that would not have been issued without a passport check. But that has nothing to do with e-passports whatsoever.
I feel you are being rather paranoid and coming up with "possible" conspiratorial use cases rather than ones based on technology actually being used in airports.
Post edited at 14:48