test (integration): add renegotiate rust test#5689
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kaukabrizvi merged 22 commits intoaws:mainfrom Jan 15, 2026
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CarolYeh910
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jmayclin
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CarolYeh910
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Goal
Add Rust integration tests that validate OpenSSL-initiated TLS 1.2 renegotiation against an s2n-tls client, including delivery of application data during renegotiation.
Why
We are migrating coverage from IntegV2 to the Rust-based integration test suite. The rust test replaces the IntegV2 test_renegotiate covering the same test cases and more.
How
Introduce Rust integration tests that exercise the ignore, reject, and accept renegotiation paths. A shared helper deterministically drives the renegotiation handshake and optionally validates application data received during renegotiation. The test also adds two test cases that were not present in the IntegV2 test: validating application data delivery during the renegotiation handshake and asserting that an OpenSSL peer reports secure (RFC 5746) renegotiation support when connecting to an s2n-tls client.
Callouts
Renegotiation is not supported in TLS 1.3, so the OpenSSL server is explicitly capped to TLS 1.2 in these tests.
Testing
This is a test, it runs in the PR workflow as part of the IntegRustNix batch.
By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.