tldr/pages/common/certutil.md

certutil

Manage keys and certificates in both NSS databases and other NSS tokens. More information: https://manned.org/certutil.

• Create a [N]ew certificate database in the current [d]irectory:

certutil -N -d .

• List all certificates in a database:

certutil -L -d .

• List all private [K]eys in a database specifying the password [f]ile:

certutil -K -d . -f {{path/to/password_file.txt}}

• [A]dd the signed certificate to the requesters database specifying a [n]ickname, [t]rust attributes and an [i]nput CRT file:

certutil -A -n "{{server_certificate}}" -t ",," -i {{path/to/file.crt}} -d .

• Add subject alternative names to a given [c]ertificate with a specific key size ([g]):

certutil -S -f {{path/to/password_file.txt}} -d . -t ",," -c "{{server_certificate}}" -n "{{server_name}}" -g {{2048}} -s "CN={{common_name}},O={{organization}}"