Import the Tails signing key in your *GnuPG* keyring:

Import the OpenPGP key of [[!wikipedia Chris_Lamb_(software_developer) desc="Chris Lamb"]], a former Debian Project Leadintrigeri, a Debian and Tails developer, from the Debian keyring into your keyring:

Import the OpenPGP key of intrigeri, a Debian and Tails developer, from the Debian keyring into your keyring:

<p class="command">gpg --keyring=/usr/share/keyrings/debian-keyring.gpg --export chris@chris-lamb.co.ukintrigeri@debian.org | gpg --import</p>

<p class="command">gpg --keyring=/usr/share/keyrings/debian-keyring.gpg --export intrigeri@debian.org | gpg --import</p>

Here, `sig!23` means that Chris
Lambintrigeri
verified and certified the Tails signing key with his key and a level 23 check.

Here, `sig!3` means that intrigeri
verified and certified the Tails signing key with his key and a level 3 check.