diff --git a/NearbyShare/Connection/InboundNearbyConnection.swift b/NearbyShare/Connection/InboundNearbyConnection.swift
index c2f945b..6cc9ffa 100644
--- a/NearbyShare/Connection/InboundNearbyConnection.swift
+++ b/NearbyShare/Connection/InboundNearbyConnection.swift
@@ -387,11 +387,10 @@ class InboundNearbyConnection: NearbyConnection {
 
 
     private func processPairedKeyEncryptionFrame(_ frame: Sharing_Nearby_Frame) throws {
-        let pkeFrame = frame.v1.pairedKeyEncryption
-
-        log("[InboundNearbyConnection \(self.id)] Processing paired key encryption frame with secretIDHash: \(pkeFrame.secretIDHash.hex)")
         
-        log("Signed data: " + pkeFrame.signedData.hex)
+        guard frame.hasV1, frame.v1.hasPairedKeyEncryption else { throw NearbyError.requiredFieldMissing("shareNearbyFrame.v1.pairedKeyEncryption") }
+        
+        let pkeFrame = frame.v1.pairedKeyEncryption
         
         // Check if we can accept the connection automatically
         if !pkeFrame.secretIDHash.isEmpty,
diff --git a/NearbyShare/Connection/OutboundNearbyConnection.swift b/NearbyShare/Connection/OutboundNearbyConnection.swift
index c0cf157..f135337 100644
--- a/NearbyShare/Connection/OutboundNearbyConnection.swift
+++ b/NearbyShare/Connection/OutboundNearbyConnection.swift
@@ -304,7 +304,13 @@ class OutboundNearbyConnection: NearbyConnection {
             
             pairedEncryption.v1.pairedKeyResult.status = .success
         }
-        
+        else {
+            
+            log("[OutboundNearbyConnection \(self.id)] No private key available, cannot send signing certificate!")
+            
+            pairedEncryption.v1.pairedKeyEncryption.secretIDHash = Data.randomData(length: 6)
+            pairedEncryption.v1.pairedKeyEncryption.signedData = Data.randomData(length: 72)
+        }
         
         if let qrKey = qrCodePrivateKey, let authKey = authKey {
             let signature = qrKey.sign(msg: authKey.data())