CSSI CardOS V5.3

3B D2 18 ?? 81 31 FE 58 C9 03 16
mask: 3BD218008131FE58C9FFFF
← All cards
2
Total reports
100%
Success rate
2019
First report
2019-03-28
Last report
ATR Analysis ISO 7816-3 · local Full analysis on smartcard-atr.apdu.fr ↗
Convention
direct
Protocol
T=1
Baud rate (TA1)
Fi=372, Di=12, fmax=4MHz, 31.00 cycles/ETU
Guard time (TC1)
0 etu
IFSC (TA3, T=1)
254 bytes
Waiting times (TB3, T=1)
CWI=8 (CWT=267 etu), BWI=5 (BWT≈11,427,840 etu)
Historical bytes
C903
Proprietary / unstructured
TCK checksum
✓ valid 16
# Byte Name Description
0 3B TS Direct convention (TS = 3B)
1 D2 T0 Format byte: 2 historical bytes, Y1=0b1101 (TA1=present, TB1=absent, TC1=present, TD1=present)
2 18 TA1 TA1: Fi=372, Di=12 → 31 cycles/ETU at 5MHz
3 ?? TC1 TC1: extra guard time = 0 etu masked
4 81 TD1 TD1: T=1 protocol indicator, Y2=0b1000 (TA2=absent, TB2=absent, TC2=absent, TD2=present)
5 31 TD2 TD2: T=1 protocol indicator, Y3=0b0011 (TA3=present, TB3=present, TC3=absent, TD3=absent)
6 FE TA3 TA3: IFSC=254 (max information field size for card)
7 58 TB3 TB3: CWI=8 (CWT=267 etu), BWI=5 (BWT≈11,427,840 etu)
8 C9 T1 Historical byte 1
9 03 T2 Historical byte 2
10 16 TCK Check byte: XOR(T0…TCK) = 00 → ✓ valid

1 byte is shown as ?? because the ATRMask at those positions is 00 — these bits are variable across card instances and were not recorded. The analysis above is based on the known bytes only. Use smartcard-atr.apdu.fr with your card's real ATR for a complete decode.

Software compatibility

Software Version Reports Success rate
EIDAuthenticate 1.2.5.0 2
100%
Details

Operating system compatibility

OS Architecture Service pack Reports Success rate
Windows Server 2012 x64 — 2
100%
Details

Provider / middleware compatibility

Provider DLL Version Company Reports Success rate
Charismathics Smart Security Interface CSP Unknown Unknown Unknown 2
100%
Details