From 1746d2bb6accfdb61c397c3e66c3cb4396b24410 Mon Sep 17 00:00:00 2001
From: Marc Hartmayer <marc@linux.ibm.com>
Date: Tue, 7 Jul 2026 11:36:49 +0200
Subject: [PATCH] pv: Change ec_key() to return Option<&PKeyRef<Public>>

Prepare the API for future host keys that might not have an EC key by
returning Option instead of a direct reference. Additionally, use
&PKeyRef<Public> as the borrowed view on PKey for better API
consistency.

Signed-off-by: Marc Hartmayer <marc@linux.ibm.com>
Reviewed-by: Timo Keller <tkeller@linux.ibm.com>
Reviewed-by: Steffen Eiden <seiden@linux.ibm.com>
Signed-off-by: Steffen Eiden <seiden@linux.ibm.com>
---
 rust/pv/src/req/hostkey.rs | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/rust/pv/src/req/hostkey.rs b/rust/pv/src/req/hostkey.rs
index 9edf673e..d50cb3f3 100644
--- a/rust/pv/src/req/hostkey.rs
+++ b/rust/pv/src/req/hostkey.rs
@@ -4,7 +4,7 @@
 
 //! Host key types for UV requests
 
-use openssl::pkey::{PKey, Public};
+use openssl::pkey::{PKey, PKeyRef, Public};
 
 /// Versioned host keys container
 #[non_exhaustive]
@@ -16,10 +16,10 @@ pub enum HostKey {
 
 impl HostKey {
     /// Return the ECDH public key
-    pub fn ec_key(&self) -> &PKey<Public> {
-        match self {
+    pub fn ec_key(&self) -> Option<&PKeyRef<Public>> {
+        Some(match self {
             HostKey::V1(ec_key) => ec_key,
-        }
+        })
     }
 }