crypto: fix key handle extraction

PR-URL: https://github.com/nodejs/node/pull/25562
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>

1 files changed, 11 insertions, 0 deletions

diff --git a/test/parallel/test-crypto-key-objects.js b/test/parallel/test-crypto-key-objects.js
index 8a28ac9960..d4ec93fbbf 100644
--- a/test/parallel/test-crypto-key-objects.js
+++ b/test/parallel/test-crypto-key-objects.js
@@ -59,6 +59,17 @@ const privatePem = fixtures.readSync('test_rsa_privkey.pem', 'ascii');
 }
 
 {
+  // Passing an existing key object should throw.
+  const publicKey = createPublicKey(publicPem);
+  common.expectsError(() => createPublicKey(publicKey), {
+    type: TypeError,
+    code: 'ERR_INVALID_ARG_TYPE',
+    message: 'The "key" argument must be one of type string, Buffer, ' +
+             'TypedArray, or DataView. Received type object'
+  });
+}
+
+{
   const publicKey = createPublicKey(publicPem);
   assert.strictEqual(publicKey.type, 'public');
   assert.strictEqual(publicKey.asymmetricKeyType, 'rsa');