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Thunderbird:OpenPGP:Smartcards: Difference between revisions
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Mention the possibility to configure a sub key ID. Remove a notice about a display, because it has been fixed in 78.1.0
(fix the link to the bug) |
(Mention the possibility to configure a sub key ID. Remove a notice about a display, because it has been fixed in 78.1.0) |
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Open the Account Settings and open the End-to-End Encryption tab of the respective email account. Click the "Add Key" button. You'll be offered the choice "Use your external key through GnuPG". Select it and click Continue. | Open the Account Settings and open the End-to-End Encryption tab of the respective email account. Click the "Add Key" button. You'll be offered the choice "Use your external key through GnuPG". Select it and click Continue. | ||
Now paste or type the secret key | Now paste or type the ID of the secret key that you would like to use. Be careful to enter it correctly, because your input isn't verified. It should be exactly 16 characters, as explained further above. Confirm to save this key ID. | ||
This key ID will be used to digitally sign messages with your account. It will also be used when you send an encrypted message, which will be encrypted for you, in addition to encrypting for the message recipients. For this to work, Thunderbird needs a copy of your public key. At this time, Thunderbird doesn't fetch the key from GnuPG, you must manually import it. | This key ID will be used to digitally sign messages with your account. It will also be used when you send an encrypted message, which will be encrypted for you, in addition to encrypting for the message recipients. For this to work, Thunderbird needs a copy of your public key. At this time, Thunderbird doesn't fetch the key from GnuPG, you must manually import it. | ||
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Once this is done, you should be able to send an encrypted and signed email. You can try it by sending an email to yourself. | Once this is done, you should be able to send an encrypted and signed email. You can try it by sending an email to yourself. | ||
(For configurations that use an offline primary key: It may also work to use the ID of a sub key that can be used for signing. Based on feedback, Thunderbird seems to be able to automatically find the related encryption sub key.) | |||
== Trying decryption == | == Trying decryption == | ||