2 Comments

Summary:

The EZTag system used on the Houston tollways is a WiFi device that transmits your personal account information constantly and is received at the toll plazas every time you whiz past. Your EZTag account is then charged the toll automatically and you don’t have to stop […]

hctra-logoThe EZTag system used on the Houston tollways is a WiFi device that transmits your personal account information constantly and is received at the toll plazas every time you whiz past. Your EZTag account is then charged the toll automatically and you don’t have to stop or slow down. This has me wondering if anyone has used their Pocket PC to determine what information is transmitted to the toll plaza? Not that I would advocate hacking it but curious from a technical standpoint.

  1. hmm… wifi at 60mph? at a mile/minute… NO WAY.

    it cant be making a “connection”, just sending a few packets. and i’d say no-no for two-way encryption.
    my guess is, it listens for a “magic packet”, and transmits a database id # when it gets that magic packet. one-way encryption at best.

    of course that means you cant hack it, you can only steal other people’s accounts (d*mn you if you do either!). and pda’s (at least not wince devices) dont have the necessary sniffing equipment.

    if you’re curious, grab a laptop with wifi, some data logging software, an E-Z Pass, and drive through the tollbooth. that’s the ticket (pun intented)

    Share
  2. oops! i meant pda’s dont have the necessary sniffing SOFTWARE. there’s always the chance that’ll be fixed…

    Share

Comments have been disabled for this post