CryptoCard-multiSIGN
3B
9F
90
80
1F
C3
00
68
10
44
05
01
46
49
53
45
31
C8
??
??
??
??
mask: FFFFF0FFFFFFFFFFF0FFFFFFFFFFFFFFFFFF00000000
3
Total reports
100%
Success rate
2013
First report
2013-02-27
Last report
ATR Analysis
ISO 7816-3 · local
Full analysis on smartcard-atr.apdu.fr ↗
Convention
direct
Protocol
T=0
T=15
Historical bytes
0068104405014649534531C8??????
COMPACT-TLV (ISO 7816-4, category 0x00)
TCK checksum
✗ invalid
00
| # | Byte | Name | Description |
|---|---|---|---|
| 0 | 3B | TS | Direct convention (TS = 3B) |
| 1 | 9F | T0 | Format byte: 15 historical bytes, Y1=0b1001 (TA1=present, TB1=absent, TC1=absent, TD1=present) |
| 2 | 90 | TA1 | TA1: Fi=512, Di=RFU |
| 3 | 80 | TD1 | TD1: T=0 protocol indicator, Y2=0b1000 (TA2=absent, TB2=absent, TC2=absent, TD2=present) |
| 4 | 1F | TD2 | TD2: T=15 protocol indicator, Y3=0b0001 (TA3=present, TB3=absent, TC3=absent, TD3=absent) |
| 5 | C3 | TA3 | TA3: 0xC3 |
| 6 | 00 | T1 | Historical byte 1 |
| 7 | 68 | T2 | Historical byte 2 |
| 8 | 10 | T3 | Historical byte 3 |
| 9 | 44 | T4 | Historical byte 4 |
| 10 | 05 | T5 | Historical byte 5 |
| 11 | 01 | T6 | Historical byte 6 |
| 12 | 46 | T7 | Historical byte 7 |
| 13 | 49 | T8 | Historical byte 8 |
| 14 | 53 | T9 | Historical byte 9 |
| 15 | 45 | T10 | Historical byte 10 |
| 16 | 31 | T11 | Historical byte 11 |
| 17 | C8 | T12 | Historical byte 12 |
| 18 | ?? | T13 | Historical byte 13 masked |
| 19 | ?? | T14 | Historical byte 14 masked |
| 20 | ?? | T15 | Historical byte 15 masked |
| 21 | ?? | TCK | Check byte: XOR(T0…TCK) = 8B → ✗ INVALID masked |
⚠ TCK check failed — ATR may be corrupted or masked
4 bytes are 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.