The software architecture during this period generally focused on three core modules:
Use 00 A4 04 00 00 (Select by DF name with no data). The program will recursively list all Elementary Files (EFs). In 2021, modern cards return 6A 82 (File not found) if you guess wrong, forcing the decoder to use a "brute-force AID list" containing 200+ known IDs (e.g., Visa, Mastercard, MIFARE). smartcard decoding program 2021
"Decoding programs" are also used in digital forensics to access data on smart cards where the original reader hardware is obsolete or unavailable. "Decoding programs" are also used in digital forensics
Using a Proxmark3: hf mf autopwn – This automatically cracks all 16 sectors of a MiFARE Classic card using known weaknesses. the following requirements must be considered:
To develop a smart card decoding program, the following requirements must be considered: