Smart card ATR parsing

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

Results

Parsing ATR:

3B 88 80 01 00 00 00 11 77 81 C3 00 2D
TS = 0x3BDirect Convention
T0 = 0x88Y(1): b1000, K: 8 (historical bytes)
TD(1) = 0x80Y(i+1) = b1000, Protocol T=0
----
TD(2) = 0x01Y(i+1) = b0000, Protocol T=1
----
Historical bytes00 00 00 11 77 81 C3 00
Category indicator byte: 0x00 (compact TLV data object)
Tag: 0, Len: 0 (unknown)
Value: ""
Tag: 0, Len: 0 (unknown)
Value: ""
Tag: 1, Len: 1 (country code, ISO 3166-1)
Country code: 77
Mandatory status indicator (3 last bytes)
LCS (life card cycle): 129 (Proprietary)
SW: C3 00
TCK = 0x2Dcorrect checksum

Possibly identified card: UNKNOWN

Click here to enter the card description

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.