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| -rw-r--r-- | docs/megolm.rst | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/docs/megolm.rst b/docs/megolm.rst index 56e5f1d..0994100 100644 --- a/docs/megolm.rst +++ b/docs/megolm.rst @@ -277,12 +277,13 @@ Limitations Message Replays --------------- -A message can be decrypted successfully multiple times. This means that a MITM -server can send multiple copies of a message and they will successfully decrypt. +A message can be decrypted successfully multiple times. This means that an +attacker can re-send a copy of an old message, and the recipient will treat it +as a new message. -To mitigate this it is recomendend that applications track the message indicies -they have recieved and that they reject messages with indicies that they've -already decrypted. +To mitigate this it is recomendend that applications track the ratchet indicies +they have recieved and that they reject messages with a ratchet index that +they've already decrypted. Lack of Transcript Consistency ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |