Red Hat DIRECTORY SERVER 8.1 - 11-01-2010 Manual de usuario descargar pdf (Pagina 38)

→ Revoke key. This effectively creates a revocation certificate and imports it in

one shot. Note that this command does not work in Enigmail 0.96.0 due to a

bug.

Send the revoked key to your contacts to warn them not to use it any more. If

you published your public key on a keyserver, remember to upload again the

revoked key to it.

7.6. Importing public keys

You need someone's public key to accomplish two things: encrypt a message

destined to this person, or verify the signature of a message coming from this

person.

You might obtain the public key as an ASC file from the person himself, either

as an email attachment or by hand. In this case save the file on your machine,

then from Key Management select File → Import keys from file. Choose the

ASC file you just saved. Enigmail will add this public key to your keyring.

Another way to find someone's public key is to download it from a keyserver.

Select Keyserver → Search for keys and insert as the search term a part of the

name or email address of this person. You may also search for key IDs. The

keyserver will return a list of public keys that match. Tick the checkboxes on the

left of any key you would like to import and Enigmail automatically will do it for

you.

Later, you can also refresh your public keyring in part or as a whole by the

menu commands Keyserver → Refresh Selected Public Keys and Keyserver →

Refresh All Public Keys.

You might also find a public key published as raw text, for instance in a personal

web page. It will appear like this:

-----BEGIN PGP PUBLIC KEY BLOCK-----

Version: GnuPG v1.4.9 (MingW32)

mQGiBEgN3cERBAC+2os2hoACip4EiKxEzv+iVHOWaznOJIGZY9zY4y8C0BhUP++q

ccgO9vgNO1vIXApYvJctwX9HFJieNdlsBrWOR69hPBAbDo+3BbOKwJFYgq8akYnv

tBCOdCNfOFwQs/8XdOH25/Oig+UjKhgxwKjkdd1UCj7shdGioXOvjO13xwCgzrGa

k2oA9Bne3hW+jUPjJlU4UbkD/i7mbQfFwTgxcXfRfsVDnkmPc+QvKe00ajfRP31o

(... 30 lines omitted ...)

3bRLiE8EGBECAA8FAkgN3cECGwwFCQlmAYAACgkQW9ZLGa9iatRGlACeIyyIBTGj

uhrZRubL8gSdI3HyPzEAnAqWD1g+DvEHyEOZ0/2rUcsj7CT2

=3RyK

-----END PGP PUBLIC KEY BLOCK-----

This is also what you see if you open a public key ASC file with a text editor.

Select the whole block of text, including the lines -----BEGIN PGP PUBLIC

KEY BLOCK----- and -----END PGP PUBLIC KEY BLOCK----- and copy

1 2 ... 33 34 35 36 37 38 39 40 41 42 43 ... 105 106

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Red Hat DIRECTORY SERVER 8.1 - 11-01-2010 Manual de usuario Pagina 38