Smart card ATR parsing

Enter an ATR (Answer To Reset) and I will parse it for you.

Results

Parsing ATR:

3B 9E 96 80 1F C7 80 31 E0 73 FE 21 1B 66 D0 01 77 97 0D 00
TS = 0x3BDirect Convention
T0 = 0x9EY(1): b1001, K: 14 (historical bytes)
TA(1) = 0x96Fi=512, Di=32, 16 cycles/ETU (250000 bits/s at 4.00 MHz, 312500 bits/s for fMax=5 MHz)
TD(1) = 0x80Y(i+1) = b1000, Protocol T=0
----
TD(2) = 0x1FY(i+1) = b0001, Protocol T=15
----
TA(3) = 0xC7Clock stop: no preference - Class accepted by the card: (3G) A 5V B 3V C 1.8V
----
Historical bytes80 31 E0 73 FE 21 1B 66 D0 01 77 97 0D 00
Category indicator byte: 0x80 (compact TLV data object)
Tag: 3, Len: 1 (card service data byte)
Card service data byte: 224
- Application selection: by full DF name
- Application selection: by partial DF name
- BER-TLV data objects available in EF.DIR
- EF.DIR and EF.ATR access services: by GET RECORD(s) command
- Card with MF
Tag: 7, Len: 3 (card capabilities)
Selection methods: 254
- Record number supported
- Short EF identifier supported
- Implicit DF selection
- DF selection by file identifier
- DF selection by path
- DF selection by partial DF name
- DF selection by full DF name
Data coding byte: 33
- Behaviour of write functions: proprietary
- Value 'FF' for the first byte of BER-TLV tag fields: valid
- Data unit in quartets: 1
Command chaining, length fields and logical channels: 27
- Logical channel number assignment: by the interface device and card
- Maximum number of logical channels: 4
Tag: 6, Len: 6 (pre-issuing data)
Data: D0 01 77 97 0D 00 "..w..."
TCK = 0x-1 WRONG CHECKSUM, expected 0xEC

Possibly identified card:

3B 9E 96 80 1F C7 80 31 E0 73 FE 21 1B 66 D0 01 77 97 0D 00

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Canonical URL

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See also

The parsing code is part of pyscard and is available at parseATR.py.

The list of known ATR is also available online at smartcard_list.txt.

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