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core: reduce max message sizes (#4882)

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* core: reduce max message sizes

* reduce

* comment
This commit is contained in:
Evgeny
2024-09-16 18:05:09 +01:00
committed by GitHub
parent c22d23750f
commit 40e93cc61e
1 changed files with 5 additions and 5 deletions
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10
src/Simplex/Chat/Protocol.hs
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@@ -540,21 +540,21 @@ data ExtMsgContent = ExtMsgContent {content :: MsgContent, file :: Maybe FileInv
$(JQ.deriveJSON defaultJSON ''QuotedMsg)
-- this limit reserves space for metadata in forwarded messages
-- 15780 (limit used for fileChunkSize) - 161 (x.grp.msg.forward overhead) = 15619, round to 15610
-- 15780 (limit used for fileChunkSize) - 161 (x.grp.msg.forward overhead) = 15619, - 16 for block encryption ("rounded" to 15602)
maxEncodedMsgLength :: Int
maxEncodedMsgLength = 15610
maxEncodedMsgLength = 15602
-- maxEncodedMsgLength - 2222, see e2eEncUserMsgLength in agent
maxCompressedMsgLength :: Int
maxCompressedMsgLength = 13388
maxCompressedMsgLength = 13380
-- maxEncodedMsgLength - delta between MSG and INFO + 100 (returned for forward overhead)
-- delta between MSG and INFO = e2eEncUserMsgLength (no PQ) - e2eEncConnInfoLength (no PQ) = 1008
maxEncodedInfoLength :: Int
maxEncodedInfoLength = 14702
maxEncodedInfoLength = 14694
maxCompressedInfoLength :: Int
maxCompressedInfoLength = 10976 -- maxEncodedInfoLength - 3726, see e2eEncConnInfoLength in agent
maxCompressedInfoLength = 10968 -- maxEncodedInfoLength - 3726, see e2eEncConnInfoLength in agent
data EncodedChatMessage = ECMEncoded ByteString | ECMLarge