diff --git a/shared/comm-opaque2/src/error.rs b/shared/comm-opaque2/src/error.rs
--- a/shared/comm-opaque2/src/error.rs
+++ b/shared/comm-opaque2/src/error.rs
@@ -14,6 +14,12 @@
   }
 }
 
+impl Into<ProtocolError> for OpaqueError {
+  fn into(self) -> ProtocolError {
+    self.0
+  }
+}
+
 impl From<ProtocolError> for OpaqueError {
   fn from(error: ProtocolError) -> OpaqueError {
     OpaqueError(error)
diff --git a/shared/comm-opaque2/src/grpc.rs b/shared/comm-opaque2/src/grpc.rs
--- a/shared/comm-opaque2/src/grpc.rs
+++ b/shared/comm-opaque2/src/grpc.rs
@@ -1,7 +1,12 @@
+use crate::error::OpaqueError;
 use log::info;
 use opaque_ke::errors::ProtocolError;
 use tonic::Status;
 
+pub fn opaque_error_to_grpc_status(error: OpaqueError) -> tonic::Status {
+  protocol_error_to_grpc_status(error.into())
+}
+
 pub fn protocol_error_to_grpc_status(error: ProtocolError) -> tonic::Status {
   match error {
     ProtocolError::IdentityGroupElementError => {