Feature gate ppoprf key sync

brave · Aug 26, 2024 · 3fff75c · 3fff75c
1 parent 70a4bd6
commit 3fff75c
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diff --git a/ppoprf/Cargo.toml b/ppoprf/Cargo.toml
@@ -34,3 +34,6 @@ warp = "0.3.7"
 [[bench]]
 name = "bench"
 harness = false
+
+[features]
+key-sync = []
diff --git a/ppoprf/src/ppoprf.rs b/ppoprf/src/ppoprf.rs
@@ -305,6 +305,7 @@ where
 /// Structure containing all relevant key information
 /// for syncing between Server instances.
 /// To be used for deserialization.
+#[cfg(feature = "key-sync")]
 #[derive(Deserialize)]
 pub struct ServerKeyState {
   oprf_key: RistrettoScalar,
@@ -315,13 +316,15 @@ pub struct ServerKeyState {
 /// Structure containing all relevant key information
 /// for syncing between Server instances.
 /// To be used for serialization.
+#[cfg(feature = "key-sync")]
 #[derive(Serialize, Eq, PartialEq, Debug)]
 pub struct ServerKeyStateRef<'a> {
   oprf_key: &'a RistrettoScalar,
   public_key: &'a ServerPublicKey,
   ggm_key: &'a GGMPuncturableKey,
 }
 
+#[cfg(feature = "key-sync")]
 impl ServerKeyState {
   pub fn as_ref(&self) -> ServerKeyStateRef<'_> {
     ServerKeyStateRef {
@@ -402,6 +405,7 @@ impl Server {
     self.public_key.clone()
   }
 
+  #[cfg(feature = "key-sync")]
   pub fn get_private_key(&self) -> ServerKeyStateRef<'_> {
     ServerKeyStateRef {
       oprf_key: &self.oprf_key,
@@ -410,6 +414,7 @@ impl Server {
     }
   }
 
+  #[cfg(feature = "key-sync")]
   pub fn set_private_key(&mut self, private_key: ServerKeyState) {
     self.oprf_key = private_key.oprf_key;
     self.public_key = private_key.public_key;