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crypt module: Long lines can't be decrypted by mircryption clients #233

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opened 2026-10-05 04:06:56 +02:00 by adam · 2 comments
adam commented 2026-10-05 04:06:56 +02:00
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Very long lines should be split up into smaller pieces (e.g. 300 chars each) to prevent decryption issues with mircryption clients. (Single lines longer than ~325 chars won't be decrypted correctly by mircryption)

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Very long lines should be split up into smaller pieces (e.g. 300 chars each) to prevent decryption issues with mircryption clients. (Single lines longer than ~325 chars won't be decrypted correctly by mircryption) ## <bountysource-plugin> Want to back this issue? **[Post a bounty on it!](https://www.bountysource.com/issues/321233-crypt-module-long-lines-can-t-be-decrypted-by-mircryption-clients?utm_campaign=plugin&utm_content=tracker%2F1759&utm_medium=issues&utm_source=github)** We accept bounties via [Bountysource](https://www.bountysource.com/?utm_campaign=plugin&utm_content=tracker%2F1759&utm_medium=issues&utm_source=github). </bountysource-plugin> <!-- github-sync-id:14220880 -->
adam commented 2026-10-05 04:06:57 +02:00
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This is due to hitting the 512 character limit of each IRC line ("nick!user@host PRIVMSG #channel" + ~330 chars + encryption overhead + base64 overhead is around 512 bytes). It should be fairly easy to work around this by have OnUserMsg split a long line into ~330 byte chunks and send them as multiple lines. I'll see if I can put a patch together to do this.

This is due to hitting the 512 character limit of each IRC line ("nick!user@host PRIVMSG #channel" + ~330 chars + encryption overhead + base64 overhead is around 512 bytes). It should be fairly easy to work around this by have OnUserMsg split a long line into ~330 byte chunks and send them as multiple lines. I'll see if I can put a patch together to do this. <!-- github-comment-id:46439004 -->
adam commented 2026-10-05 04:06:58 +02:00
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+1 from me for this.

+1 from me for this. <!-- github-comment-id:59265778 -->
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Reference: adam/znc#233