switch to PKCS#8 key format for Bun compatibility

utils/genPrivateKeys.ts

@@ -1,9 +1,9 @@
-import keypair from "keypair";
+import crypto from "crypto";
 
 console.log(`
 Generating Private Keys
 -----------------
-This script will go through and genrate all the keys necessary for running the Credential Manager API locally.
+This script will go through and generate all the keys necessary for running the Credential Manager API locally.
 This process might take several minutes.
 -----------------`);
 
@@ -42,9 +42,13 @@ await Promise.all(
     if (!privExists || !pubExists) {
       // Always regenerate both files together to ensure the key pair matches
       console.log(`Generating '${v}' and '${pubPath}'...`);
-      const keys = keypair({ bits: 4096 });
-      await Bun.write(v, keys.private);
-      await Bun.write(pubPath, keys.public);
+      const { privateKey, publicKey } = crypto.generateKeyPairSync("rsa", {
+        modulusLength: 4096,
+        privateKeyEncoding: { type: "pkcs8", format: "pem" },
+        publicKeyEncoding: { type: "spki", format: "pem" },
+      });
+      await Bun.write(v, privateKey);
+      await Bun.write(pubPath, publicKey);
     }
     return;
   }),