Refine panic mode to regenerate identities immediately (#624)

Co-authored-by: jack <jackjackbits@users.noreply.github.com>

bitchat/Noise/NoiseSecurityConsiderations.swift

@@ -210,6 +210,15 @@ final class NoiseRateLimiter {
             self.messageTimestamps.removeValue(forKey: peerID)
         }
     }
+
+    func resetAll() {
+        queue.async(flags: .barrier) {
+            self.handshakeTimestamps.removeAll()
+            self.messageTimestamps.removeAll()
+            self.globalHandshakeTimestamps.removeAll()
+            self.globalMessageTimestamps.removeAll()
+        }
+    }
 }
 
 // MARK: - Security Errors

bitchat/Noise/NoiseSession.swift

@@ -308,6 +308,15 @@ final class NoiseSessionManager {
             _ = sessions.removeValue(forKey: peerID)
         }
     }
+
+    func removeAllSessions() {
+        managerQueue.sync(flags: .barrier) {
+            for (_, session) in sessions {
+                session.reset()
+            }
+            sessions.removeAll()
+        }
+    }
     
     func getEstablishedSessions() -> [String: NoiseSession] {
         return managerQueue.sync {