Smart card ATR parsing

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

Results

Parsing ATR:

3B 9F 95 81 31 FE 9F 00 66 46 53 05 10 00 FF 71 DF 00 00 00 00 00 EC
TS = 0x3BDirect Convention
T0 = 0x9FY(1): b1001, K: 15 (historical bytes)
TA(1) = 0x95Fi=512, Di=16, 32 cycles/ETU (125000 bits/s at 4.00 MHz, 156250 bits/s for fMax=5 MHz)
TD(1) = 0x81Y(i+1) = b1000, Protocol T=1
----
TD(2) = 0x31Y(i+1) = b0011, Protocol T=1
----
TA(3) = 0xFEIFSC: 254
TB(3) = 0x9FBlock Waiting Integer: 9 - Character Waiting Integer: 15
----
Historical bytes00 66 46 53 05 10 00 FF 71 DF 00 00 00 00 00
Category indicator byte: 0x00 (compact TLV data object)
Tag: 6, Len: 6 (pre-issuing data)
Data: 46 53 05 10 00 FF "FS...."
Tag: 7, Len: 1 (card capabilities)
Selection methods: 223
- Record identifier supported
- Record number supported
- Short EF identifier supported
- Implicit DF selection
- DF selection by file identifier
- DF selection by partial DF name
- DF selection by full DF name
Tag: 0, Len: 0 (unknown)
Value: ""
Tag: 0, Len: 0 (unknown)
Value: ""
Mandatory status indicator (3 last bytes)
LCS (life card cycle): 0 (No information given)
SW: 00 00
TCK = 0xECcorrect checksum

Possibly identified card:

3B 9F 95 81 31 FE 9F 00 66 46 53 05 10 00 FF 71 DF 00 00 00 00 00 EC

JavaCOS A22 dual interface Java card - 150K (JavaCard)

http://www.smartcardfocus.us/shop/ilp/id~709/javacos-a22-dual-interface-java-card-150k/p/index.shtml

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: