Smart card ATR parsing

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

Results

Parsing ATR:

3B EB 00 00 81 31 20 45 4A 43 4F 50 33 31 33 36 47 44 54 78
TS = 0x3BDirect Convention
T0 = 0xEBY(1): b1110, K: 11 (historical bytes)
TB(1) = 0x00VPP is not electrically connected
TC(1) = 0x00Extra guard time: 0
TD(1) = 0x81Y(i+1) = b1000, Protocol T=1
----
TD(2) = 0x31Y(i+1) = b0011, Protocol T=1
----
TA(3) = 0x20IFSC: 32
TB(3) = 0x45Block Waiting Integer: 4 - Character Waiting Integer: 5
----
Historical bytes4A 43 4F 50 33 31 33 36 47 44 54
Category indicator byte: 0x4A (proprietary format) "COP3136GDT"
TCK = 0x78correct checksum

Possibly identified card:

3B EB 00 00 81 31 20 45 4A 43 4F 50 33 31 33 36 47 44 54 78

card for testing (eID)

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.