This key ID will be used to digitally sign messages with your account. It should be exactly 16 characters, as explained further above. Be careful to enter it correctly, because your input isn't verified. Now paste or type the ID of the secret key that you would like to use. You'll be offered the choice 'Use your external key through GnuPG'. Open the Account Settings and open the End-to-End Encryption tab of the respective email account. Restart Thunderbird after this change.Ĭonfigure an email account to use an external GnuPG key Set its value to /usr/bin/qubes-gpg-client-wrapper. Open the config editor, search for _gpg_path. In addition to the explanations above, you must set a preference that tells thunderbird that you want to use the GnuPG wrapper tool provided by Qubes OS. This is similar to using a smartcard, and Thunderbird 78 supports it. The Qubes OS offers a mechanism to store your GPG keys in a separate VM. Switch the value to true.Įnabling this preference will cause Thunderbird to attempt to decrypt a message using GnuPG, whenever RNP fails to decrypt a message with the secret keys that are available inside Thunderbird's key storage.Įnabling this preference is also required for the remaining settings described on this page. Use the Thunderbird config editor (found at the bottom of preferences/options), and search for _external_gnupg. It is the same as the last 16 characters of your primary key's fingerprint. You must make note of the primary key ID of the smartcard's key that you'd like to use.

You must use the appropriate tools to prepare your smartcard for use, for example, the card must contain an appropriate key pair. You're responsible for installing all software that is required to use your Smartcard. You must ensure that Thunderbird 78 can find GPGME in the system library search path. In addition, you must ensure the GPGME C library is installed in a corresponding version. You need to download and install GnuPG yourself. If you'd like to use a smartcard with Thunderbird 78, you must perform several manual configuration steps. However, using smartcards is possible using an optional, advanced configuration mechanism. This means, in the default configuration, Thundbird does not support smartcards. The RNP library does NOT yet support the use of smartcards for secret keys. Thunderbird 78 does NOT use GnuPG by default. How to use Thunderbird 78 with smartcards 6 Configure an email account to use an external GnuPG key.1 How to use Thunderbird 78 with smartcards.

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