From 04f15209b14a94ca0d0401041aa824ad7ec8bc0e Mon Sep 17 00:00:00 2001
From: Karl Ludwig Weise <ludwig@ludwigweise.de>
Date: Tue, 2 Jun 2026 18:42:00 +0200
Subject: [PATCH] Fixing passkey implementation for 1Password

---
 src/lib/utils/passkey.ts | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/src/lib/utils/passkey.ts b/src/lib/utils/passkey.ts
index 56ffbcf..c1ff20a 100644
--- a/src/lib/utils/passkey.ts
+++ b/src/lib/utils/passkey.ts
@@ -256,10 +256,8 @@ export const getPRFOutputAfterRegistration = async ({
     return prfOutput;
   } else {
     // Convert ArrayBufferView to ArrayBuffer
-    return prfOutput.buffer.slice(
-      prfOutput.byteOffset,
-      prfOutput.byteOffset + prfOutput.byteLength,
-    ) as ArrayBuffer;
+    // Fixes 1Password login; types seem to be incorrect
+    return new Uint8Array(prfOutput as unknown as Array<number>).buffer;
   }
 };
 
@@ -334,10 +332,8 @@ export const getCredential = async ({
       if (prfResult instanceof ArrayBuffer) {
         prfOutput = prfResult;
       } else {
-        prfOutput = prfResult.buffer.slice(
-          prfResult.byteOffset,
-          prfResult.byteOffset + prfResult.byteLength,
-        ) as ArrayBuffer;
+        // Fixes 1Password login; types seem to be incorrect
+        prfOutput = new Uint8Array(prfOutput as unknown as Array<number>).buffer;
       }
     }
   }