From ecdf8c2dc06a0c4fc4eb6eb8a69a863b381bca5b Mon Sep 17 00:00:00 2001
From: elpatron <m.busche@gmail.com>
Date: Thu, 28 May 2026 21:46:29 +0200
Subject: [PATCH] Request PRF evaluation salt during WebAuthn registration to
 enable passwordless logins

---
 client/src/services/auth.ts | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/client/src/services/auth.ts b/client/src/services/auth.ts
index e269af3..443499f 100644
--- a/client/src/services/auth.ts
+++ b/client/src/services/auth.ts
@@ -70,7 +70,11 @@ export async function registerUser(username: string): Promise<RegistrationResult
   if (!options.extensions) {
     options.extensions = {}
   }
-  options.extensions.prf = {}
+  options.extensions.prf = {
+    eval: {
+      first: PRF_SALT
+    }
+  }
 
   // 2. Start biometric Passkey creation
   const credentialResponse = await startRegistration(options)