Differences

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--- mcmaster:nxp:nb1s22-v01 [2025/02/18 07:41] – 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
@@ Line 10: / Line 12: @@
 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>