cv act sc/interface (SwissSignID on 4.3)
3B
FA
18
00
02
C1
0A
31
FE
58
4B
53
77
69
73
73
53
69
67
6E
89
7
Total reports
29%
Success rate
2012
First report
2016-03-02
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)
2 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
4B53776973735369676E
Proprietary / unstructured
TCK checksum
✓ valid
89
| # | Byte | Name | Description |
|---|---|---|---|
| 0 | 3B | TS | Direct convention (TS = 3B) |
| 1 | FA | T0 | Format byte: 10 historical bytes, Y1=0b1111 (TA1=present, TB1=present, TC1=present, TD1=present) |
| 2 | 18 | TA1 | TA1: Fi=372, Di=12 → 31 cycles/ETU at 5MHz |
| 3 | 00 | TB1 | TB1: deprecated Vpp programming voltage parameter |
| 4 | 02 | TC1 | TC1: extra guard time = 2 etu |
| 5 | C1 | TD1 | TD1: T=1 protocol indicator, Y2=0b1100 (TA2=absent, TB2=absent, TC2=present, TD2=present) |
| 6 | 0A | TC2 | TC2: work waiting time for T=0, Wi=10 |
| 7 | 31 | TD2 | TD2: T=1 protocol indicator, Y3=0b0011 (TA3=present, TB3=present, TC3=absent, TD3=absent) |
| 8 | FE | TA3 | TA3: IFSC=254 (max information field size for card) |
| 9 | 58 | TB3 | TB3: CWI=8 (CWT=267 etu), BWI=5 (BWT≈11,427,840 etu) |
| 10 | 4B | T1 | Historical byte 1 |
| 11 | 53 | T2 | Historical byte 2 |
| 12 | 77 | T3 | Historical byte 3 |
| 13 | 69 | T4 | Historical byte 4 |
| 14 | 73 | T5 | Historical byte 5 |
| 15 | 73 | T6 | Historical byte 6 |
| 16 | 53 | T7 | Historical byte 7 |
| 17 | 69 | T8 | Historical byte 8 |
| 18 | 67 | T9 | Historical byte 9 |
| 19 | 6E | T10 | Historical byte 10 |
| 20 | 89 | TCK | Check byte: XOR(T0…TCK) = 00 → ✓ valid |
Software compatibility
Operating system compatibility
Provider / middleware compatibility
| Provider | DLL | Version | Company | Reports | Success rate | |
|---|---|---|---|---|---|---|
| cv act sc/interface CSP | C:\Windows\system32\cvCSP.dll |
5.0.1.152 |
cv cryptovision GmbH | 4 |
0%
|
Details |
| cv act sc/interface CSP | Unknown |
Unknown |
Unknown | 2 |
100%
|
Details |
| cv act sc/interface CSP | C:\Windows\system32\cvCSP.dll |
5.1.0.236 |
cv cryptovision GmbH | 1 |
0%
|
Details |