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1 | ------------------------------------------------------------------------------- |
2 | Siemens SLE4442 Chip Card protocol capture | |
3 | ------------------------------------------------------------------------------- | |
4 | ||
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5 | See the parent directory for more general information. These captures |
6 | correspond to the SLE4442 chip. Each file demonstrates an individual | |
7 | operation. | |
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8 | |
9 | ||
10 | Logic analyzer setup | |
11 | -------------------- | |
12 | ||
13 | The logic analyzer used was a Cypress FX2 no-brand device (at 500kHz): | |
14 | ||
15 | Probe SLE4442 pin | |
16 | ----------------------- | |
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17 | 0 I/O |
18 | 1 CLK | |
19 | 2 RST | |
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20 | |
21 | ||
22 | sle4442_atr.sr | |
23 | -------------- | |
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24 | |
25 | Reset issued by the reader, ATR (Answer to Reset) response sent by the card. | |
26 | ||
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27 | |
28 | sle4442_psc_correct.sr | |
29 | ---------------------- | |
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30 | |
31 | Reader reset, correct PSC (Programmable Security Code) sent by the reader to | |
32 | the card, and gets accepted. | |
33 | ||
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34 | |
35 | sle4442_psc_wrong.sr | |
36 | -------------------- | |
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37 | |
38 | Reader reset, incorrect PSC sent by the reader to the card, and gets refused. | |
39 | ||
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40 | |
41 | sle4442_read_main_memory.sr | |
42 | --------------------------- | |
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43 | |
44 | Full read of the card's main memory (complete address range). Includes the | |
45 | ATR content at offset 0. | |
46 | ||
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47 | |
48 | sle4442_write_cafe1337_offset_30.sr | |
49 | ----------------------------------- | |
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50 | |
51 | Write 0xCA 0xFE 0x13 0x37 to main memory at offset 0x30, then read back | |
52 | several main memory regions (starting slightly before the recently written | |
53 | address range, and starting from the beginning of the card's memory). Each | |
54 | read continues to the end of the card's capacity. |