From 49d0079e46b11f86a9956cfe6dcc000569824470 Mon Sep 17 00:00:00 2001
From: Shibo Lyu <github@of.sb>
Date: Thu, 10 Oct 2024 15:26:23 +0800
Subject: [PATCH] feat(crypto): allow generating non extractable keypair with
 additional usage

---
 crypto/keypair.ts | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/crypto/keypair.ts b/crypto/keypair.ts
index 3784819..fd15669 100644
--- a/crypto/keypair.ts
+++ b/crypto/keypair.ts
@@ -28,13 +28,17 @@ export class BlahKeyPair {
     this.privateKey = privateKey;
   }
 
-  static async generate(): Promise<BlahKeyPair> {
+  static async generate(
+    extractable: boolean = true,
+    additionalUsage: KeyUsage[] = [],
+  ): Promise<BlahKeyPair> {
     const { publicKey, privateKey } = await crypto.subtle.generateKey(
       "Ed25519",
-      true,
+      extractable,
       [
         "sign",
         "verify",
+        ...additionalUsage,
       ],
     ) as CryptoKeyPair;
     const publicIdentity = await BlahPublicKey.fromPublicKey(publicKey);