ins_get_serial_number.md

Get Device Serial Number

Description

Gets the serial number of the Ledger device. Could be called at any time.

Command

Field	Value
INS	0x01
P1	unused
P2	unused
Lc	0

Response

Field	Length
serial	7

The returned value is bytes exactly as written by the system call os_serial().

Ledger responsibilities

• Check:
  • Check P1 == 0
  • Check P2 == 0
  • Check Lc == 0
• Respond with serial number