Mailing List Archive: GnuPG: users

Multiple Identities

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lists at kathera

Nov 15, 2009, 8:29 PM

Post #1 of 4 (819 views)
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Multiple Identities

I'm roughly familiar with GnuPG and have used it in the past when I had
a single presence, a single e-mail address, etc.

I'm in a position now where I'm using multiple e-mail addresses, for
different purposes, but want to share the same key for the sake of
simplicity in my applications (Enigmail for example). I know it's
possible to use one key for multiple e-mail addresses/identities but I'm
not sure how to go about doing it.

Any tips would be appreciated.

Thanks,
Tom Howell-Cintron

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rjh at sixdemonbag

Nov 16, 2009, 12:09 AM

Post #2 of 4 (745 views)
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Re: Multiple Identities [In reply to]

T. Howell-Cintron wrote:
> I'm in a position now where I'm using multiple e-mail addresses, for
> different purposes, but want to share the same key for the sake of
> simplicity in my applications (Enigmail for example). I know it's
> possible to use one key for multiple e-mail addresses/identities but I'm
> not sure how to go about doing it.
>
> Any tips would be appreciated.

You will need your key ID for this. For instance, my key ID is
0xD6B98E10. Substitute your own key ID for mine in these instructions.

gpg --edit-key 0xD6B98E10 adduid

Enter the name, email address and comment you want associated with the
key; follow the prompts. It's pretty straightforward. Once you have it
done, send it to the keyservers so that everyone can find your key under
your new email address:

gpg --keyserver x-hkp://pool.sks-keyservers.net --send-key 0xD6B98E10

Presto, done.

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John at Mozilla-Enigmail

Nov 16, 2009, 12:10 PM

Post #3 of 4 (734 views)
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Re: Multiple Identities [In reply to]

T. Howell-Cintron wrote:
> I'm roughly familiar with GnuPG and have used it in the past when I had
> a single presence, a single e-mail address, etc.
>
> I'm in a position now where I'm using multiple e-mail addresses, for
> different purposes, but want to share the same key for the sake of
> simplicity in my applications (Enigmail for example). I know it's
> possible to use one key for multiple e-mail addresses/identities but I'm
> not sure how to go about doing it.
>
> Any tips would be appreciated.

If using Enigmail in your copy of Thunderbird: OpenPGP --> Key Management.
Click the key you wish to modify and either from the Edit menu or right-click
and select Manage User IDs. Click Add. Fill in Name Email Address and any
Comment. Click OK

From a command (aka DOS) window:

gpg --edit-key 0xdecafbad adduid

Answer the prompts for Real name:, Email address:, & Comment:
If all looks fine, select (O)kay to commit the change.

--
John P. Clizbe Inet:John (a) Mozilla-Enigmail.org
You can't spell fiasco without SCO. hkp://keyserver.gingerbear.net or
mailto:pgp-public-keys [at] gingerbear?subject=HELP

Q:"Just how do the residents of Haiku, Hawai'i hold conversations?"
A:"An odd melody / island voices on the winds / surplus of vowels"

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dougb at dougbarton

Nov 16, 2009, 2:33 PM

Post #4 of 4 (733 views)
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Re: Multiple Identities [In reply to]

T. Howell-Cintron wrote:
> I'm roughly familiar with GnuPG and have used it in the past when I had
> a single presence, a single e-mail address, etc.
>
> I'm in a position now where I'm using multiple e-mail addresses, for
> different purposes, but want to share the same key for the sake of
> simplicity in my applications (Enigmail for example). I know it's
> possible to use one key for multiple e-mail addresses/identities but I'm
> not sure how to go about doing it.

The customary way to do this is to create new uids, which other people
have already mentioned. However depending on what you're trying to do
it's not mandatory that you do so. For example, in enigmail you can
specify the key to use for an account by its key id, which should work
fine regardless of the e-mail address associated with the account.

OTOH, if you're expecting the people on the other end to encrypt mail
sent to you on one of the addresses that is not part of your key, you
could run into "issues."

hth,

Doug

--

Improve the effectiveness of your Internet presence with
a domain name makeover! http://SupersetSolutions.com/

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