Smart card ATR parsing

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

Results

Parsing ATR:

3B 8B 01 52 75 74 6F 6B 65 6E 20 44 53 20 C1
TS = 0x3BDirect Convention
T0 = 0x8BY(1): b1000, K: 11 (historical bytes)
TD(1) = 0x01Y(i+1) = b0000, Protocol T=1
----
Historical bytes52 75 74 6F 6B 65 6E 20 44 53 20
Category indicator byte: 0x52 (proprietary format) "utoken DS "
TCK = 0xC1correct checksum

Possibly identified card:

3B 8B 01 52 75 74 6F 6B 65 6E 20 44 53 20 C1

Aktiv Rutoken ECP

https://www.rutoken.ru/products/all/rutoken-ecp/

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.