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proxmark3/include
iceman1001andClaude Opus 5 (1M context) 2cd5285cb2 hf mfdes chk: track found keys per application
foundKeys was indexed [keytype][keyno] with no AID dimension and was
never reset between applications, so a key number recovered on one AID
was skipped without a single auth attempt on every later AID.  On a card
with AES key 00 set on two apps, only the first one was ever reported.

Give every application its own desfire_app_keys_t and hand that to the
checker.  Saving to json now uses a new 'mfdes v2' format keyed by AID,
with a loader that round-trips it; v1 is kept for existing files.

Also in the same path:
 - one auth error below 7 broke out of the key number loop, abandoning
   every remaining key number for the AID.  Only an algo mismatch (4, 50,
   51) skips the key type now; an invalid key number (3) skips just that
   key number, and a transmit error retries after a reselect
 - 3TDEA keys were stored 16 bytes wide and written out as 24
 - -k with a 24 byte key was rejected by the parser, making the 24 byte
   branch unreachable
 - DesfireGetAIDList() wrote unbounded into a 78 byte app_ids buffer

Co-Authored-By: Claude Opus 5 (1M context)
2026-09-11 10:38:57 +02:00
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