quic: add support for TLS certificate compression - #64434
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bjohansebas
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July 12, 2026 01:57
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Codecov Report✅ All modified and coverable lines are covered by tests. @@ Coverage Diff @@
## main #64434 +/- ##
==========================================
- Coverage 90.24% 90.23% -0.02%
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Files 741 741
Lines 241384 241646 +262
Branches 45480 45528 +48
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+ Hits 217844 218038 +194
- Misses 15097 15155 +58
- Partials 8443 8453 +10
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jasnell
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Appears to be some linting issues but otherwise LGTM
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July 12, 2026 17:34
Signed-off-by: Sebastian Beltran <bjohansebas@gmail.com>
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Signed-off-by: Sebastian Beltran <bjohansebas@gmail.com> PR-URL: #64434 Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Tim Perry <pimterry@gmail.com>
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Signed-off-by: Sebastian Beltran <bjohansebas@gmail.com> PR-URL: #64434 Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Tim Perry <pimterry@gmail.com>
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Signed-off-by: Sebastian Beltran <bjohansebas@gmail.com> PR-URL: #64434 Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Tim Perry <pimterry@gmail.com>
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Signed-off-by: Sebastian Beltran <bjohansebas@gmail.com> PR-URL: #64434 Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Tim Perry <pimterry@gmail.com>
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Add an opt-in certificateCompression TLS option for QUIC sessions,
mirroring the existing node:tls support. When set to a list of
'zlib', 'brotli', and/or 'zstd', the server compresses its certificate
chain and the client advertises the algorithms it accepts, reducing the
size of the server's first flight and helping it stay within QUIC's
anti-amplification limit.
Certificate compression is disabled by default: the OpenSSL default
preferences are cleared unless the option is provided, keeping QUIC
consistent with node:tls
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