chrome.platformKeys.getKeyPair: Check requested algorithm against certificate.

chrome/renderer/resources/extensions/platform_keys/get_public_key.js

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 var internalAPI = require('platformKeys.internalAPI');
 
 var normalizeAlgorithm =
     requireNative('platform_keys_natives').NormalizeAlgorithm;
 
 // Returns the normalized parameters of |importParams|.
@@ skipping 35 matching lines @@
   if (algorithm.publicExponent) {
     algorithm.publicExponent = new Uint8Array(algorithm.publicExponent);
   }
 
   algorithm.hash = importParams.hash;
   return algorithm;
 }
 
 function getPublicKey(cert, importParams, callback) {
   importParams = normalizeImportParams(importParams);
-  // TODO(pneubeck): pass importParams.name to the internal getPublicKey and
-  // verify on the C++ side that the requested algorithm is compatible with the
-  // given SubjectPublicKeyInfo of the certificate.
-  // https://crbug.com/466584
-  internalAPI.getPublicKey(cert, function(publicKey, algorithm) {
-    var combinedAlgorithm = combineAlgorithms(algorithm, importParams);
-    callback(publicKey, combinedAlgorithm);
-  });
+  internalAPI.getPublicKey(
+      cert, importParams.name, function(publicKey, algorithm) {
+        if (chrome.runtime.lastError) {
+          callback();
+          return;
+        }
+        var combinedAlgorithm = combineAlgorithms(algorithm, importParams);
+        callback(publicKey, combinedAlgorithm);
+      });
 }
 
 exports.getPublicKey = getPublicKey;