diff --git a/auth.js b/auth.js
index 13a90f7..f17cdba 100644
--- a/auth.js
+++ b/auth.js
@@ -1,17 +1,12 @@
-const { validateEvent, verifySignature } = require("nostr-tools");
+const { verifyEvent } = require("nostr-tools");
 const { authorized_keys, private_keys } = require("./config");
 
 module.exports = (authKey, data, ws, req) => {
-  if (!validateEvent(data)) {
+  if (!verifyEvent(data)) {
     ws.send(JSON.stringify(["NOTICE", "error: invalid challenge response."]));
     return false;
   }
 
-  if (!verifySignature(data)) {
-    ws.send(JSON.stringify(["OK", data.id, false, "signature verification failed."]));
-    return false;
-  }
-
   if (!authorized_keys?.includes(data.pubkey) && !(private_keys && private_keys[data.pubkey])) {
     ws.send(JSON.stringify(["OK", data.id, false, "unauthorized."]));
     return false;
@@ -23,6 +18,7 @@ module.exports = (authKey, data, ws, req) => {
   }
 
   const tags = new Map(data.tags);
+
   if (!tags.get("relay").includes(req.headers.host)) {
     ws.send(JSON.stringify(["OK", data.id, false, "unmatched relay url."]));
     return false;
diff --git a/bouncer.js b/bouncer.js
index 7d35d58..2a3faf2 100644
--- a/bouncer.js
+++ b/bouncer.js
@@ -1,7 +1,7 @@
 "use strict";
 const { version } = require("./package.json");
 const WebSocket = require("ws");
-const { verifySignature, validateEvent, nip19, matchFilters, mergeFilters, getFilterLimit } = require("nostr-tools");
+const { verifyEvent, nip19, matchFilters, mergeFilters, getFilterLimit } = require("nostr-tools");
 const auth = require("./auth.js");
 const nip42 = require("./nip42.js");
 
@@ -59,7 +59,7 @@ module.exports = (ws, req, onClose) => {
     switch (data[0]) {
       case "EVENT":
         if (!authorized) return;
-        if (!validateEvent(data[1]) || !verifySignature(data[1])) return ws.send(JSON.stringify(["NOTICE", "error: invalid event"]));
+        if (!verifyEvent(data[1])) return ws.send(JSON.stringify(["NOTICE", "error: invalid event"]));
         if (data[1].kind == 22242) return ws.send(JSON.stringify(["OK", data[1]?.id, false, "rejected: kind 22242"]));
 
         if (
diff --git a/nip42.js b/nip42.js
index 608246f..8377756 100644
--- a/nip42.js
+++ b/nip42.js
@@ -1,11 +1,10 @@
-const { getEventHash, getSignature, nip19 } = require("nostr-tools");
+const { finalizeEvent, nip19 } = require("nostr-tools");
 
 module.exports = (relay, pubkey, privkey, challenge) => {
   if (!privkey) return;
   if (privkey.startsWith("nsec")) privkey = nip19.decode(privkey).data;
 
-  let signed_challenge = {
-    pubkey,
+  let signed_challenge = finalizeEvent({
     created_at: Math.floor(Date.now() / 1000),
     kind: 22242,
     tags: [
@@ -13,9 +12,7 @@ module.exports = (relay, pubkey, privkey, challenge) => {
       ["challenge", challenge]
     ],
     content: ""
-  }
+  }, privkey);
 
-  signed_challenge.id = getEventHash(signed_challenge);
-  signed_challenge.sig = getSignature(signed_challenge, privkey);
   relay.send(JSON.stringify(["AUTH", signed_challenge]));
 }