Get Card Pubkey
This command reads the card public key. During the installation of the applet, the card initializes its own EC R1 pair. This command is only useful for the manufacturer at the factory to send the Cryptnox certificate in the card, which contains this card public key, thus authenticating the genuineness of the card.
Application Protocol Data Unit (APDU) Components
The following table outlines the components of the Application Protocol Data Unit (APDU).
Field | Description | Value |
CLA | This field specifies the class of the instruction. | 0x80 |
INS | This field specifies the particular command or operation that the smart card or secure element should execute. | 0xF4 |
P1 | First parameter of the instruction that specifies the details about the operation being requested. | 0x00 |
P2 | First parameter of the instruction that specifies additional details about the operation being requested. | 0x00 |
Data | Key data | None |
Response
Returns the 65-byte uncompressed EC public key of the card.