Smart card ATR parsing

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

Results

Parsing ATR:

3B 9F 96 80 1F 87 80 31 E0 73 FE 21 1B 67 4A 4C 75 30 34 05 4B A9
TS = 0x3BDirect Convention
T0 = 0x9FY(1): b1001, K: 15 (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) = 0x87Clock stop: state H - Class accepted by the card: (3G) A 5V B 3V C 1.8V
----
Historical bytes80 31 E0 73 FE 21 1B 67 4A 4C 75 30 34 05 4B
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: invalid
- 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: 7 (pre-issuing data)
Data: 4A 4C 75 30 34 05 4B "JLu04.K"
TCK = 0xA9correct checksum

Possibly identified card:

3B 9F 96 80 1F 87 80 31 E0 73 FE 21 1B 67 4A 4C 75 30 34 05 4B A9

sysmoISIM-SJA2 (Telecommunication)

https://osmocom.org/projects/cellular-infrastructure/wiki/SysmoISIM-SJA2

Canonical URL JSON output

Again

Submit another ATR


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.

My blog contains a serie of artickes about ATR bytes.

More documentation: