crypto: throw error on invalid object in diffieHellman()

PR-URL: #37016
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Darshan Sen <raisinten@gmail.com>
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>

lib/internal/crypto/diffiehellman.js

@@ -290,8 +290,7 @@ function getFormat(format) {
 const dhEnabledKeyTypes = new SafeSet(['dh', 'ec', 'x448', 'x25519']);
 
 function diffieHellman(options) {
-  if (typeof options !== 'object')
-    throw new ERR_INVALID_ARG_TYPE('options', 'object', options);
+  validateObject(options, 'options');
 
   const { privateKey, publicKey } = options;
   if (!(privateKey instanceof KeyObject))

test/parallel/test-crypto-dh-stateless.js

@@ -12,6 +12,20 @@ assert.throws(() => crypto.diffieHellman(), {
   message: 'The "options" argument must be of type object. Received undefined'
 });
 
+assert.throws(() => crypto.diffieHellman(null), {
+  name: 'TypeError',
+  code: 'ERR_INVALID_ARG_TYPE',
+  message: 'The "options" argument must be of type object. Received null'
+});
+
+assert.throws(() => crypto.diffieHellman([]), {
+  name: 'TypeError',
+  code: 'ERR_INVALID_ARG_TYPE',
+  message:
+    'The "options" argument must be of type object. ' +
+    'Received an instance of Array',
+});
+
 function test({ publicKey: alicePublicKey, privateKey: alicePrivateKey },
               { publicKey: bobPublicKey, privateKey: bobPrivateKey },
               expectedValue) {