Mercurial > libervia-backend

annotate doc/jp/encryption.rst @ 3047:cf843dd7c345

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
jp (debug): new "theme" command to print colour theme according to `background` value: fix 321
author Goffi <goffi@goffi.org>
date Tue, 01 Oct 2019 22:49:11 +0200
parents 72583524cfd3
children 92f8baec5e4f
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
3041
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
1 ========================================
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
2 encryption: encryption sessions handling
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
3 ========================================
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
4
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
5 Salut à Toi being an XMPP client does encryption by default between client and server. In
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
6 addition, SàT is also capable of doing end-to-end (e2e) encryption, meaning that the
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
7 payload of messages are encrypted to be hidden from the servers (and their
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
8 administrators). The ``encryption`` commands are here to handle those e2e encryption
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
9 sessions and algorithms.
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
10
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
11 .. note::
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
12
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
13 For the moment, only one 2 one chat messages can be e2e encrypted
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
14
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
15 algorithms
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
16 ==========
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
17
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
18 Display e2e encryption algorithms available in this instance of Salut à Toi.
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
19
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
20 example
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
21 -------
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
22
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
23 Show available e2e algorithms::
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
24
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
25 $ jp encryption algorithms
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
26
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
27 get
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
28 ===
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
29
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
30 Display which encryption session is currently active with the given entity.
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
31
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
32 The only required argument is the JID of the entity.
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
33
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
34 If not e2e encryption session exist, a message will be displayed and jp will exit with a
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
35 non zero code: this means that the messages are in clear in the XMPP servers, but normal
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
36 XMPP encryption is not affected (message should still be encrypted between client and
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
37 server and between servers).
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
38
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
39 If an e2e encryption session exist, you'll see the algorithm name and its namespace. In
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
40 case of e2e encryption which only works from device to device (e.g. it's the case with
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
41 ``OTR`` which doesn't support multiple devices), you'll also see the resources of the
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
42 devices where the encryption is active in ``directed_devices``
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
43
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
44 example
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
45 -------
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
46
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
47 Check if session is encrypted with Louise::
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
48
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
49 $ jp encryption get louise@example.org
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
50
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
51 start
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
52 =====
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
53
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
54 Start e2e session with an entity.
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
55
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
56 You need to specify the JID of the entity you want to start a session with as a positional
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
57 argument.
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
58
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
59 By default, SàT will select itself the algorithm to use among those available, but you can
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
60 specify one using either its name with ``-n NAME, --name NAME`` or its namespace using
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
61 ``-N NAMESPACE, --namespace``. ``NAME`` is the short name of the algorithm, e.g. ``omemo``
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
62 while the namespace is the longer (e.g. ``urn:xmpp:otr:0``).
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
63
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
64 If an encryption session is started but one with an other algorithm was already there, the
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
65 original session will be stopped and replaced by one with the new requested algorithm. You
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
66 can change this behaviour by using ``--encrypt-noreplace``: in this case the command will
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
67 fail in case of conflict (e2e encryption is requested with a new algorithm while an e2e
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
68 encryption session was already started with an other algorithm), and return a non-zero
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
69 code. If an e2e encryption session was already started with the requested algorithm, the
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
70 command will succeed in all cases an nothing will be changed.
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
71
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
72 examples
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
73 --------
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
74
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
75 Start e2e encryption with Pierre, using the algorithm selected by SàT::
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
76
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
77 $ jp encryption start louise@example.net
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
78
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
79 Start an OMEMO session with Louise::
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
80
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
81 $ jp encryption start -n omemo louise@example.org
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
82
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
83 stop
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
84 ====
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
85
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
86 Terminate an e2e session with given entity. The entity must be specified as positional
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
87 argument.
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
88
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
89 After this command is run, the messages with specified entity will not be e2e encrypted
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
90 anymore (but this won't affect encryption between SàT and XMPP server and between XMPP
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
91 servers).
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
92
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
93 example
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
94 -------
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
95
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
96 Stop the e2e encryption session with Pierre::
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
97
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
98 $ jp encryption stop pierre@example.net
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
99
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
100 trust ui
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
101 ========
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
102
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
103 Run the user interface to handle trust with given entity and given algorithm. The user
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
104 interface depends of the algorithm used, but it generally shows you the fingerprints
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
105 associated with your contact or contact devices, and asks you if you trust them or not.
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
106
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
107 The only mandatory argument is the jid of your contact.
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
108
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
109 By default the currently active encryption session algorithm is used, but you may manage
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
110 trust for an other algorithm by using ``-n NAME, --name NAME`` or ``-N NAMESPACE,
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
111 --namespace NAMESPACE``.
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
112
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
113 .. note::
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
114
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
115 Trusting a contact or a device means that you certify that this contact or device is
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
116 the one you want to talk too. You should not trust a device if you have not verified by
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
117 an external channel (i.e. not XMPP) the fingerprint. The best way is to verify the
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
118 fingerprint physically if possible (i.e. in front of your contact, not with computer
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
119 networks in the middle).
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
120
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
121 example
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
122 -------
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
123
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
124 Manage ``OMEMO`` trust with Louise devices::
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
125
72583524cfd3 doc (jp): jp commands are now fully documented:
Goffi <goffi@goffi.org>
parents:
diff changeset
126 $ jp encryption trust ui -n omemo louise@example.org