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26 lines
1.2 KiB
Markdown
26 lines
1.2 KiB
Markdown
---
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title: "OpenSSL and QUIC"
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date: 2022-10-24T18:01:26-07:00
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---
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A rough timeline of QUIC support in OpenSSL-like libraries:
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1. BoringSSL implements QUIC.
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2. Quiche, a QUIC library, requires BoringSSL. Nginx can be patched to use Quiche for HTTP/3.
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3. Nginx's experimental QUIC branch (nginx-quic) is released. It requires BoringSSL.
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4. Some organizations (mostly Akamai) fork OpenSSL to implement the BoringSSL QUIC API, calling their fork QuicTLS. They plan to upstream changes.
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5. nginx-quic supports building with QuicTLS too.
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6. [OpenSSL decides against the BoringSSL API](https://daniel.haxx.se/blog/2021/10/25/the-quic-api-openssl-will-not-provide/) and declines QuicTLS patches, preferring to write their own incompatible implementation.
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7. LibreSSL implements the BoringSSL QUIC API.
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8. [nginx-quic can link against LibreSSL](https://hg.nginx.org/nginx-quic/rev/79cd6993a3e3) as well as BoringSSL and QuicTLS; they all use similar APIs.
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(I _believe_ wolfSSL is mostly compatible with the BoringSSL QUIC API, but I might be wrong.)
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Developers will have a harder time supporting multiple TLS implementations, hurting the viability of e.g. LibreSSL-based distributions.
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