test: cover publicExponent validation in OpenSSL

Add a test case for public exponents that are invalid according to some internal OpenSSL validation logic, but which are accepted by node's own validation logic. PR-URL: #46632 Reviewed-By: Filip Skokan <[email protected]> Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: Luigi Pinca <[email protected]> Reviewed-By: Anto Aravinth <[email protected]>
nodejs · Feb 20, 2023 · c4ca98e · c4ca98e
1 parent f390841
commit c4ca98e
Showing 1 changed file with 11 additions and 0 deletions.
diff --git a/test/parallel/test-crypto-keygen.js b/test/parallel/test-crypto-keygen.js
@@ -1200,6 +1200,17 @@ const sec1EncExp = (cipher) => getRegExpForPEM('EC PRIVATE KEY', cipher);
       code: 'ERR_OUT_OF_RANGE',
     });
   }
+
+  // Test invalid exponents. (caught by OpenSSL)
+  for (const publicExponent of [1, 1 + 0x10001]) {
+    generateKeyPair('rsa', {
+      modulusLength: 4096,
+      publicExponent
+    }, common.mustCall((err) => {
+      assert.strictEqual(err.name, 'Error');
+      assert.match(err.message, common.hasOpenSSL3 ? /exponent/ : /bad e value/);
+    }));
+  }
 }
 
 // Test DSA parameters.