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Sumner Evans 9a5cacda90
Clarify that the key backup MAC is implemented incorrectly (#1712) 
* Clarify that the key backup MAC is implemented incorrectly

Due to a bug in libolm, all implementations of the
m.megolm_backup.v1.curve25519-aes-sha2 key backup algorithm incorrectly
pass an empty string through HMAC-SHA-256 to generate the `mac` property
of the `session_data`.

It was intended for the entire raw encrypted data to be passed through
HMAC-SHA-256, but the issue was caught too late in the process, and thus
we are stuck with this until a new key backup algorithm is introduced.

This commit clarifies the real-world behavior of all current
implementations.

Signed-off-by: Sumner Evans <sumner@beeper.com>
2024-01-16 14:11:44 -05:00
..
account_data.md Stop rendering CS modules and room version fragments as standalone pages (#1317) 2022-11-08 17:27:44 +00:00
admin.md Stop rendering CS modules and room version fragments as standalone pages (#1317) 2022-11-08 17:27:44 +00:00
content_repo.md "MXC URI" -> "mxc:// URI" (#1500) 2023-04-26 14:11:35 +01:00
device_management.md Stop rendering CS modules and room version fragments as standalone pages (#1317) 2022-11-08 17:27:44 +00:00
dm.md Stop rendering CS modules and room version fragments as standalone pages (#1317) 2022-11-08 17:27:44 +00:00
end_to_end_encryption.md Clarify that the key backup MAC is implemented incorrectly (#1712) 2024-01-16 14:11:44 -05:00
event_annotations.md annotion (#1658) 2023-10-11 06:06:06 +00:00
event_context.md Stop rendering CS modules and room version fragments as standalone pages (#1317) 2022-11-08 17:27:44 +00:00
event_replacements.md Update spec for MSC3952: intentional mentions (#1508) 2023-05-17 13:16:23 +01:00
guest_access.md Stop rendering CS modules and room version fragments as standalone pages (#1317) 2022-11-08 17:27:44 +00:00
history_visibility.md Stop rendering CS modules and room version fragments as standalone pages (#1317) 2022-11-08 17:27:44 +00:00
ignore_users.md Stop rendering CS modules and room version fragments as standalone pages (#1317) 2022-11-08 17:27:44 +00:00
index.md Stop rendering CS modules and room version fragments as standalone pages (#1317) 2022-11-08 17:27:44 +00:00
instant_messaging.md "MXC URI" -> "mxc:// URI" (#1500) 2023-04-26 14:11:35 +01:00
mentions.md Fix schema of m.mentions object (#1635) 2023-09-19 16:59:00 +01:00
moderation_policies.md Clarify what key content-specific rules match against. (#1441) 2023-03-08 13:06:06 +00:00
openid.md Add a hyphen between third and party when used as an adjective (#1447) 2023-03-08 09:58:29 +00:00
presence.md Stop rendering CS modules and room version fragments as standalone pages (#1317) 2022-11-08 17:27:44 +00:00
push.md Make clear the thread root is not in the thread (#1677) 2023-11-28 10:45:36 -07:00
read_markers.md Stop rendering CS modules and room version fragments as standalone pages (#1317) 2022-11-08 17:27:44 +00:00
receipts.md Batch receipts by thread as well as room (#1685) 2023-12-05 16:28:05 +00:00
reference_relations.md Clarify terminology around aggregations (#1424) 2023-03-21 18:27:24 +00:00
report_content.md Add spec for MSC2449: Require users to have visibility on an event when submitting reports (#1517) 2023-08-15 00:18:06 -06:00
rich_replies.md Make clearer in the example that the fallback prefix sequence should be repeated for each line (#1690) 2024-01-15 12:35:06 +00:00
room_previews.md Stop rendering CS modules and room version fragments as standalone pages (#1317) 2022-11-08 17:27:44 +00:00
room_upgrades.md Stop rendering CS modules and room version fragments as standalone pages (#1317) 2022-11-08 17:27:44 +00:00
search.md Stop rendering CS modules and room version fragments as standalone pages (#1317) 2022-11-08 17:27:44 +00:00
secrets.md Clarify secret storage format (#1695) 2023-12-11 16:29:01 +00:00
send_to_device.md Stop rendering CS modules and room version fragments as standalone pages (#1317) 2022-11-08 17:27:44 +00:00
server_acls.md Stop rendering CS modules and room version fragments as standalone pages (#1317) 2022-11-08 17:27:44 +00:00
server_notices.md Stop rendering CS modules and room version fragments as standalone pages (#1317) 2022-11-08 17:27:44 +00:00
spaces.md Remove spurious 'weight: 340' (#1442) 2023-02-22 11:35:36 +00:00
sso_login.md Stop rendering CS modules and room version fragments as standalone pages (#1317) 2022-11-08 17:27:44 +00:00
stickers.md Stop rendering CS modules and room version fragments as standalone pages (#1317) 2022-11-08 17:27:44 +00:00
tags.md Stop rendering CS modules and room version fragments as standalone pages (#1317) 2022-11-08 17:27:44 +00:00
third_party_invites.md Add a hyphen between third and party when used as an adjective (#1447) 2023-03-08 09:58:29 +00:00
third_party_networks.md Add a hyphen between third and party when used as an adjective (#1447) 2023-03-08 09:58:29 +00:00
threading.md Clarify that threads can be created based on replies (#1687) 2023-12-11 13:00:59 +00:00
typing_notifications.md Fix broken links 2022-11-08 18:54:26 +00:00
voip_events.md Fix typo in VoIP module (#1540) 2023-05-24 23:00:38 +01:00