Host Protocols Direct Protocol ATCRYPTO class GET CSR EX
September 3, 2025 at 8:28 AMGET CSR instruction
Role
This instruction asks the device to create a X509 Certificat Signing Request (CSR) for the given key, using the supplied subject.
Access condition
Depending on the configuration-defined access conditions and on the type of host interface (Local / Remote), this instruction may either be freely usable or restricted to authenticated communications.
Command
| Field | Value |
|---|---|
| CLA | 59 (ATCRYPTO) |
| INS | 47 |
| Data byte 0 | Key index (00 to 0D) |
| Data byte 1..N | Subject of the CSR |
Response
| Field | Value |
|---|---|
| CLA | 59 (ATCRYPTO) |
| STA | 00 |
| Data bytes 0..N | CSR |