EstEID National ID Card (1.0 2007 cold ATR)
3B
DE
18
FF
C0
80
B1
FE
45
1F
03
45
73
74
45
49
44
20
76
65
72
20
31
2E
30
2B
3
Total reports
100%
Success rate
2012
First report
2014-07-21
Last report
ATR Analysis
ISO 7816-3 · local
Full analysis on smartcard-atr.apdu.fr ↗
Convention
direct
Protocol
T=0
T=1
T=15
Baud rate (TA1)
Fi=372, Di=12, fmax=4MHz, 31.00 cycles/ETU
Guard time (TC1)
0xFF (special)
IFSC (TA3, T=1)
3 bytes
Waiting times (TB3, T=1)
CWI=5 (CWT=43 etu), BWI=4 (BWT≈5,713,920 etu)
Historical bytes
4573744549442076657220312E30
Proprietary / unstructured
TCK checksum
✓ valid
2B
| # | Byte | Name | Description |
|---|---|---|---|
| 0 | 3B | TS | Direct convention (TS = 3B) |
| 1 | DE | T0 | Format byte: 14 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 | FF | TC1 | TC1: extra guard time = 0xFF (T=1: CWT override) |
| 4 | C0 | TD1 | TD1: T=0 protocol indicator, Y2=0b1100 (TA2=absent, TB2=absent, TC2=present, TD2=present) |
| 5 | 80 | TC2 | TC2: work waiting time for T=0, Wi=128 |
| 6 | B1 | TD2 | TD2: T=1 protocol indicator, Y3=0b1011 (TA3=present, TB3=present, TC3=absent, TD3=present) |
| 7 | FE | TA3 | TA3: IFSC=254 (max information field size for card) |
| 8 | 45 | TB3 | TB3: CWI=5 (CWT=43 etu), BWI=4 (BWT≈5,713,920 etu) |
| 9 | 1F | TD3 | TD3: T=15 protocol indicator, Y4=0b0001 (TA4=present, TB4=absent, TC4=absent, TD4=absent) |
| 10 | 03 | TA4 | TA4: IFSC=3 (max information field size for card) |
| 11 | 45 | T1 | Historical byte 1 |
| 12 | 73 | T2 | Historical byte 2 |
| 13 | 74 | T3 | Historical byte 3 |
| 14 | 45 | T4 | Historical byte 4 |
| 15 | 49 | T5 | Historical byte 5 |
| 16 | 44 | T6 | Historical byte 6 |
| 17 | 20 | T7 | Historical byte 7 |
| 18 | 76 | T8 | Historical byte 8 |
| 19 | 65 | T9 | Historical byte 9 |
| 20 | 72 | T10 | Historical byte 10 |
| 21 | 20 | T11 | Historical byte 11 |
| 22 | 31 | T12 | Historical byte 12 |
| 23 | 2E | T13 | Historical byte 13 |
| 24 | 30 | T14 | Historical byte 14 |
| 25 | 2B | TCK | Check byte: XOR(T0…TCK) = 00 → ✓ valid |
Software compatibility
Operating system compatibility
Provider / middleware compatibility
| Provider | DLL | Version | Company | Reports | Success rate | |
|---|---|---|---|---|---|---|
| Microsoft Base Smart Card Crypto Provider | esteidcm.dll |
3.5.5471.312 |
(null) | 1 |
100%
|
Details |
| Microsoft Base Smart Card Crypto Provider | esteidcm64.dll |
3.7.1.1020 |
(null) | 1 |
100%
|
Details |
| Microsoft Base Smart Card Crypto Provider | esteidcm64.dll |
3.8.0.1119 |
Unknown | 1 |
100%
|
Details |