Have all overloads of webcrypto::AlgorithmImplementation::DeserializeKeyForClone check the params t…

components/webcrypto/algorithms/ec.cc

 // Copyright 2014 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.
 
 #include "components/webcrypto/algorithms/ec.h"
 
 #include <stddef.h>
 #include <utility>
 
 #include "base/logging.h"
@@ skipping 638 matching lines @@
 }
 
 // TODO(eroman): Defer import to the crypto thread. http://crbug.com/430763
 Status EcAlgorithm::DeserializeKeyForClone(
     const blink::WebCryptoKeyAlgorithm& algorithm,
     blink::WebCryptoKeyType type,
     bool extractable,
     blink::WebCryptoKeyUsageMask usages,
     const CryptoData& key_data,
     blink::WebCryptoKey* key) const {
+  if (algorithm.paramsType() != blink::WebCryptoKeyAlgorithmParamsTypeEc)
+    return Status::ErrorUnexpected();
+
   blink::WebCryptoAlgorithm import_algorithm =
       SynthesizeImportAlgorithmForClone(algorithm);
 
   Status status;
 
   // The serialized data will be either SPKI or PKCS8 formatted.
   switch (type) {
     case blink::WebCryptoKeyTypePublic:
       status =
           ImportKeySpki(key_data, import_algorithm, extractable, usages, key);
@@ skipping 19 matching lines @@
 
   if (algorithm.ecParams()->namedCurve() !=
       key->algorithm().ecParams()->namedCurve()) {
     return Status::ErrorUnexpected();
   }
 
   return Status::Success();
 }
 
 }  // namespace webcrypto