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1110
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1 MCabber OpenPGP support
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2
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3 This files explains how to use PGP support in mcabber.
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4
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5 Please note that you need libgpgme > 1.0.0 (for example, libgpgme11 in Debian)
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6 on your system.
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7
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8
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9 ## Enabling OpenPGP support ##
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10
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11 In the configuration file, enable pgp and set pgp_private_key to your key id.
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12 Your key id can be found with the following command:
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13 % gpg --list-keys --keyid-format long your_name
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14
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15 Example (in $HOME/.mcabber/mcabberrc):
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16
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17 set pgp = 1
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18 set pgp_private_key = "E3E6A9C1A6A013D3"
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19
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20
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21 ## Encrypting messages ##
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22
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23 Now when you start mcabber, it should ask for your passphrase (unless you put
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24 it in your configuration file or you use gpg-agent).
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25
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26 If you want to know if a contact is using PGP, select the contact and use the
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27 command /info. If (s)he is, it should display something like:
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28
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29 PGP key id: E2C4C9A1601A5A4
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30 Last PGP signature: unknown
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31
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32 The signature is "unknown", because we don't have the contact's key. We could
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33 get it with gpg, for example:
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34 % gpg --recv-keys E2C4C9A1601A5A4
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35
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36 Then, wait for the next presence message.
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37
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38 If the contact has your key and you have their key, you should have
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39 bidirectional encrypted messages.
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40
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41
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42 ## Per-contact settings ##
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43
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44 You can provide a PGP key to be used for a given Jabber user or disable PGP on
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45 a per-account basis, using the command /pgp.
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46
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47 If you provide a KeyId for a contact, it will be compared to the key the
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48 contact uses to sign their presence/messages and it will be used for all
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49 outgoing encrypted messages (by default, mcabber will use the contact
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50 signature's key).
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51
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52 Example:
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53 /pgp disable foo@bar.org
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54 (disables encryption of messages sent to foo@bar.org)
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55 /pgp setkey bar@foo.net C9940A9BB0B92210
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56 (set the encryption key for bar@foo.net and warn if this contact doesn't
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57 use this key for their signatures)
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58 /pgp info
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59 (show the PGP settings we've set for the currently selected contact)
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60
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61 Try "/help pgp" for a usage description.
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62
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63 The command /pgp can be used in the configuration file (without the leading /).
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