[MFC] Zaragoza Tarjeta Bus

[acolombo11]

I found the keys to read the card and have 3 cards to dump data from. I dumped data from 2 cards every trip from the moment I bought them (not that many trips tho 😅). I can provide dumps for additional scenarios if needed, I just couldn't think of many scenarios to dump.

Here's the data I got until now (I'm sorry I used MCT to dump the data, I found this app later) The name of the JSON files is the card ID written on the card. The files without a trailing number are the readings in the moment I bought the cards, then after every trip I dumped the data (same file name but with trailing trip number). I have a dump done with Metrodroid, but it's from a different card. Trip cost is 0.76, if needed.

API for tram stops and bus stops:
https://www.zaragoza.es/sede/servicio/urbanismo-infraestructuras/transporte-urbano/parada-tranvia
https://www.zaragoza.es/sede/servicio/urbanismo-infraestructuras/transporte-urbano/linea-autobus

New card checklist

• I have read and acknowledged the New cards wiki page.
• I can provide dumps, transaction history, and balance records for more than one card from the operator.
• I have attempted to understand the card format on my own.
• I have provided notes on what I've found so far.

Please answer all questions listed here:

• Name of the card: Tarjeta Bus
• Name of the transit agency: Avanza
• Transit agency's website: https://zaragoza.avanzagrupo.com/tarifas-y-titulos/
• Location(s): Zaragoza, Spain
• Card media: MIFARE Classic

Is there any publicly accessible documentation for this card format? If so, provide links:
Nope

Is the card similar to one we already support?
Not sure

Is there an official app for using the card?
Nope

How many sectors does this card have?
16 (only 8 with meaningful data)

Did the card use any "default" key that comes with Metrodroid?
a0a1a2a3a4a5 (for sector 8-16 not containing any data)

Does the card use diversified keys, static keys, or a combination?
static

After installing proper keys, how many sectors could you read with Metrodroid (ie: not "unauthorized")?
all of them

With the data that you can read from the card, does it change after performing a transaction?
yes