From bc0389e9c5a5057d38a589b8a836869907f02d2f Mon Sep 17 00:00:00 2001
From: BiagioFesta <15035284+BiagioFesta@users.noreply.github.com>
Date: Fri, 4 Oct 2024 14:09:17 +0200
Subject: [PATCH] crypto: expose negotiated_cipher_suite in the hadshake data

---
 quinn-proto/src/crypto/rustls.rs | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/quinn-proto/src/crypto/rustls.rs b/quinn-proto/src/crypto/rustls.rs
index b84151811..03769a244 100644
--- a/quinn-proto/src/crypto/rustls.rs
+++ b/quinn-proto/src/crypto/rustls.rs
@@ -64,6 +64,11 @@ impl crypto::Session for TlsSession {
                 Connection::Client(_) => None,
                 Connection::Server(ref session) => session.server_name().map(|x| x.into()),
             },
+            negotiated_cipher_suite: self
+                .inner
+                .negotiated_cipher_suite()
+                .expect("cipher is negotiated")
+                .suite(),
         }))
     }
 
@@ -256,6 +261,9 @@ pub struct HandshakeData {
     ///
     /// Always `None` for outgoing connections
     pub server_name: Option<String>,
+
+    /// The ciphersuite negotiated with the peer.
+    pub negotiated_cipher_suite: CipherSuite,
 }
 
 /// A QUIC-compatible TLS client configuration