Differences

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--- mcmaster:nxp:nb1s22-v01 [2025/02/18 07:10] – mcmaster
+++ mcmaster:nxp:nb1s22-v01 [2025/08/04 21:23] (current) – external edit 127.0.0.1
@@ Line 1: / Line 1: @@
 {{tag>collection_mcmaster vendor_nxp type_unknown year_unknown foundry_unknown}}
+TLDR: Fudan FM11RF08S
+Bambu filament
+NFC taginfo:
+<code>
+MiFARE Classic (MF1S50)
+ID: CD:45:2F:C0
+ATQA: 0x0400
+SAK: 0x08
+</code>
+<code>
+FYI these might be Fudan clones of the Mifare Classic instead of NXP.
+Philippe Teuwen recently uncovered that there was a backdoor in these Fudan chips, a backdoor that at some point also existed in the NXP chip.
+https://eprint.iacr.org/2024/1275
+https://github.com/Bambu-Research-Group/RFID-Tag-Guide?tab=readme-ov-file#proxmark3-fm11rf08s-recovery-script
+</code>
+<code>
+Bambu filament uses fudan.
+FM11RF08S
+Hence Doegox’s research came in a good time.
+But then the kdf was extracted.
+</code>
 ====== Package ======
-Unknown
+{{:mcmaster:nxp:nb1s22-v01:pack3.jpg?400|}}
+{{:mcmaster:nxp:nb1s22-v01:pack1.jpg?400|}}
+{{:mcmaster:nxp:nb1s22-v01:pack2.jpg?400|}}
@@ Line 11: / Line 43: @@
 <code>
+NB1S22
+V01
 </code>
-{{:mcmaster:nxp:nb1s22-v01:mz_die1.jpg?300|}}
+{{:mcmaster:nxp:nb1s22-v01:die3.jpg?400|}}
 {{:mcmaster:nxp:nb1s22-v01:mz_die2.jpg?300|}}