esp_efuse_get_keypurpose_dis_write() function
Returns a write protection of the key purpose field for an efuse key block.
Arguments
block
A key block in the range EFUSE_BLK_KEY0..EFUSE_BLK_KEY_MAX
Return value
True: The key purpose is write protected. False: The key purpose is writeable.
Notes
For ESP32: no keypurpose, it returns always True.