Changes for page Matrix

Summary

• Page properties (2 modified, 0 added, 0 removed)

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Author

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1		-XWiki.rueckerc
	1	+XWiki.jelten

Content

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1	1	{{toc/}}
2	2
3	3
4		-= What is Matrix? =
	4	+== What is Matrix? ==
5	5
6	6
7		-[[image:matrix-element-uidemo.png||alt="Matrix user interface demo" height="641" width="892"]]
	7	+[[image:https://element.io/images/Ui-grad-homepage.png||alt="https://element.io/images/Ui-grad-homepage.png" height="677" width="942"]]
8	8
9	9
10	10	[[Matrix>>https://matrix.org/]] is a chat system very similar to E-Mail, but instantaneous and secure.
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19	19	Several apps exist, but we're going to go with "[[Element>>https://element.io/]]" for the sake of simplicity, as it's among the most fully-featured Matrix apps on the market.
20	20	)))
21	21
22		-So people have their **account on one server** but can write messages **to anyone on other servers**.
	22	+So People have their **account on one server** but can write messages **to anyone on other servers**.
23	23
24	24
25		-**Personal or group chats** are[[ end-to-end encrypted>>https://en.wikipedia.org/wiki/End-to-end_encryption]] and **not dependent on a central authority** like most other tools (MS Teams, WhatsApp, Zoom, ...) - anyone can host a Matrix server.
	25	+You can create[[ end-to-end encrypted>>https://en.wikipedia.org/wiki/End-to-end_encryption]] **personal or group chats** that are not stored and **not dependent on a central authority** like most other tools (MS Teams, WhatsApp, Zoom, ...).
26	26	All your messages are **synced** between all your devices - web clients, desktop clients, smartphone apps.
27	27	For additional security, encryption keys of contacts can be verified and then stored as trusted.
28	28
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30	30
31	31	Messages are stored and synced between home servers.
32	32
33		-A user typically has **one account** on one homeserver.
34		-You can use any homeserver of your choice - however **for TUM**, [[ITO>>doc:CIT.ITO.WebHome]] offers two homeservers:
	33	+A user typically has **one account** on one homeserver. You can use any homeserver of your choice - however [[ITO>>doc:CIT.ITO.WebHome]] offers two homeservers:
35	35
36	36	* **matrix.cit.tum.de** for CIT accounts: @username:cit.tum.de
37	37	* **matrix.tum.de** for TUM accounts: @username:tum.de
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38	38
39	39	You only need to use one account and can communicate with any other homeserver of the world.
40	40
41		-If you don't have a CIT or TUM account, you can use a **public** homeserver instead:
	40	+If you don't have a CIT or TUM account, you can use a public homeserver instead:
42	42
43	43	* matrix.org: [[https:~~/~~/app.element.io/#/register>>https://app.element.io/#/register]]
44	44	* or any other homeserver [[https:~~/~~/joinmatrix.org/servers/>>https://joinmatrix.org/servers/]]
45		-* or, [[host your own homeserver>>https://matrix-org.github.io/synapse/latest/]] 🤩
	44	+* or, host your own homeserver :)
46	46
47	47	To use your home server, you have to **use a client** that communicates with your homeserver.
48	48
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75	75
76	76	Follow [[the official guide>>https://matrix.org/docs/chat_basics/]] how to chat with Element 😎
77	77
78		-You can create **personal chats**, **group chats**, and **spaces** for bundling multiple chatrooms to communicate with any other Matrix user in the world.
	77	+You can create personal chats, group chats, and spaces for bundling multiple chatrooms to communicate with any other Matrix user in the world.
79	79
80	80
81		-= Invitation of TUM Users =
	80	+== Invitation of TUM Users ==
82	82
83	83	When inviting TUM or CIT users to a chat, just enter the following Matrix IDs:
84	84
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105	105
106	106	The invitation will then appear in the Matrix client of the just-added user and must be accepted.
107	107
108		-**Search for User Names**
109	109
110		-To add a user to the user directory, he must become a member of a public chat room on the server, e.g. [[https:~~/~~/matrix.to/#/#announcements:tum.de>>https://matrix.to/#/#announcements:tum.de]] on matrix.tum.de, or share a private chat. Only after that his name will be displayed in the search field for persons.
	108	+== Secure Backup ==
111	111
112		-= Secure Backup =
	110	+Since end-to-end encryption stores decryption keys only on clients (the "end"), logging out of the last client would mean loosing all messages.
113	113
114		-Since end-to-end encryption stores decryption **keys only on clients** (the "end"), logging out of the last client would mean loosing all messages.
115		-
116	116	Matrix allows to create a encrypted backup of the decryption keys on your homeserver - with a separate passphrase.
117	117
118	118	Matrix will ask you to set up your secure backup, and will request the password for the backup keys if needed.