APDU Command Builder
Construct valid ISO 7816-4 APDU commands by selecting command type and parameters.
Class
Instruction
Parameter 1
Parameter 2
Lc is calculated automatically from data length
Expected response length (leave empty if none)
| CLA | ||
| INS | ||
| P1 | ||
| P2 | ||
| Lc | ||
| Data | ||
| Le |
ISO 7816-4 Instruction Reference
| INS | Command |
|---|---|
| A4 | SELECT |
| B0 | READ BINARY |
| D6 | UPDATE BINARY |
| B2 | READ RECORD |
| C0 | GET RESPONSE |
| CA | GET DATA |
| 20 | VERIFY |
| 88 | INTERNAL AUTHENTICATE |
| 82 | EXTERNAL AUTHENTICATE |
| 84 | GET CHALLENGE |
Frequently Asked Questions
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