using mac touch id application code example

Example: mac command touch id

Open Terminal

Switch to the root user with sudo su -

Edit the /etc/pam.d/sudo file with a command-line editor such as vim or nano

The contents of this file should look like one of the following examples:

# sudo: auth account password session
auth       required       pam_opendirectory.so
account    required       pam_permit.so
password   required       pam_deny.so
session    required       pam_permit.so
# sudo: auth account password session
auth       sufficient     pam_smartcard.so
auth       required       pam_opendirectory.so
account    required       pam_permit.so
password   required       pam_deny.so
session    required       pam_permit.so
You need to add an additional auth line to the top so it now looks like this:

# sudo: auth account password session
auth       sufficient     pam_tid.so
auth       sufficient     pam_smartcard.so
auth       required       pam_opendirectory.so
account    required       pam_permit.so
password   required       pam_deny.so
session    required       pam_permit.so