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PGP: Difference between revisions
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It is also possible to associate more names and email addresses with the same secret key, and revoke previous email address associations. This is handy if you use more than one email address, change email provider or even change your name as you can retain a consistent identity using the key. However, anyone counter signing your key only signs to say the association of name/email/etc with your key is valid and so would have to re-sign your key for other new people to trust it. Anyone who already trusts your key to represent you, would continue to do so.
If you manage to expose your key, e.g. someone gets a copy and sees
You can set an expiry on a key. This helps if you think you may somehow expose the key to someone else. If you are confident in your own security principles, you could choose to have an non
▲You can set an expiry on a key. This helps if you think you may somehow expose the key to someone else. If you are confident in your own security principles you could choose to have an non expiring key. Expiring and changing keys can be inconvenient, but some people prefer to change keys every few years just to be sure no old key can possibly still be valid.
==Should you sign all emails?==
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